syzbot

 sign-in | mailing list | source | docs
🐞 Open [1657]
≡ Subsystems
🐞 Fixed [5993]
🐞 Invalid [14767]
⬇ Missing Backports [134]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (124):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ptdump_pte_entry mm 1 17d 4d11h
WARNING: locking bug in run_posix_cpu_timers mm 1 9d11h 5d11h
INFO: rcu detected stall in netlink_release (5) mm syz error 2 3d10h 7d21h
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) fs mm 1 18d 17d
kernel BUG in alloc_hugetlb_folio_reserve mm 8 15d 20d PATCH [4d20h]
INFO: rcu detected stall in task_numa_work (2) mm C error 16 5d14h 20d
WARNING in vma_merge_existing_range mm 1 27d 23d 💬 7 [17d]
KASAN: slab-use-after-free Read in filemap_map_pages mm xfs C inconclusive 5 27d 24d 💬 1 [23d]
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm 1 25d 25d
KCSAN: data-race in read_pages / read_pages (4) fs mm 2 24d 29d
KASAN: stack-out-of-bounds Read in save_stack mm 1 33d 29d
general protection fault in __memcg_kmem_charge_page cgroups mm 1 34d 30d
general protection fault in workingset_refault mm 8 31d 33d 💬 1 [31d]
possible deadlock in move_pages (2) mm C done 508 11d 33d
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 38d 34d
INFO: rcu detected stall in sys_mkdirat (2) mm 40 8d05h 39d
WARNING in __folio_rmap_sanity_checks (2) mm C inconclusive 9 27d 45d 💬 25 [11d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 2 26d 46d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 5 48d 46d 💬 4 [21d]
INFO: rcu detected stall in sys_umount (3) mm syz 34 7d06h 47d
WARNING: locking bug in on mm 4 20h36m 48d
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 3 7d00h 48d
INFO: task hung in v9fs_evict_inode v9fs mm syz error 24 7d16h 50d
possible deadlock in balance_pgdat (2) scsi mm C 4 17d 51d 💬 1 [8d15h]
KASAN: slab-use-after-free Read in lru_add mm 1 55d 51d
INFO: rcu detected stall in sys_symlinkat (5) mm syz 46 4d04h 52d
BUG: stack guard page was hit in sys_sendfile64 mm v9fs C 7 8d23h 52d
WARNING: locking bug in emon mm bpf 2 59d 55d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 63d 59d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 12 21d 60d 💬 7 [40d]
INFO: rcu detected stall in sys_mmap (3) mm C error 18 5d16h 60d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 21 2d20h 60d
BUG: corrupted list in list_lru_add mm bcachefs syz 1 67d 63d
INFO: rcu detected stall in security_file_ioctl (9) mm 57 5d06h 64d
possible deadlock in try_to_wake_up (7) mm 1 68d 64d
WARNING in _xfs_buf_alloc mm 1 69d 65d
BUG: Bad page state in iomap_write_begin mm C 94 4h50m 65d 💬 4 [64d]
general protection fault in mas_store_prealloc mm C 11 51d 68d PATCH [65d]
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 4 3d11h 72d
kernel BUG in resv_map_release (3) mm C 6 20d 73d 💬 1 [73d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 81 3d18h 75d
BUG: unable to handle kernel paging request in schedule mm 16 2d04h 78d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 26 4d20h 79d PATCH [42d]
WARNING: locking bug in get_page_from_freelist mm syz 392 10h52m 81d 💬 1 [36d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 9 15d 81d
WARNING: locking bug in __set_page_owner mm C error 158519 8m 82d 💬 2 [33d]
INFO: rcu detected stall in brk (2) input mm usb syz 2 23d 85d 💬 8 [84d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 76 5d14h 86d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 38 2d03h 87d
kernel BUG in zap_huge_pmd mm C 2 92d 88d 💬 5 [87d]
WARNING in get_taint (2) mm C 363 60d 91d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 59d 91d 💬 5 [91d]
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 26 3d09h 98d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 7 22d 100d 💬 1 [99d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 20 6d03h 101d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 106d 102d 💬 6 [100d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 57 10d 105d
KMSAN: uninit-value in swap_writepage mm 3 54d 106d 💬 2 [105d]
WARNING in vms_complete_munmap_vmas mm C 893 14h20m 108d 💬 1 [18d]
INFO: rcu detected stall in kswapd (3) mm C 5 27d 110d
WARNING in page_counter_cancel (5) mm C 5 11d 112d 💬 1 [111d]
INFO: rcu detected stall in kjournald2 (2) mm C error 61 2d19h 113d
BUG: unable to handle kernel paging request in clear_page_erms (6) net virt mm 2 49d 118d
INFO: rcu detected stall in vhci_release mm syz done 8 11d 118d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 119d 119d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 91 2h38m 123d 💬 4 [123d]
INFO: rcu detected stall in shmem_fault (6) mm 73 6d05h 127d PATCH [109d]
BUG: corrupted list in do_compact_page mm syz 22 1d03h 128d 💬 1 [113d]
INFO: rcu detected stall in sys_execve (6) mm syz done 44 10d 129d
BUG: corrupted list in add_to_unbuddied mm syz 29 1d08h 138d 💬 4 [98d]
KMSAN: uninit-value in sw842_compress mm C 32 6d22h 138d 💬 3 [71d]
INFO: task hung in hugetlb_fault mm C done 65 10d 139d 💬 2 [104d]
kernel BUG in z3fold_page_migrate mm syz 165 1d17h 143d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3623 3d12h 145d 💬 1 [18d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 42 5d12h 154d
INFO: task hung in hugetlb_wp mm C done 94 2d20h 161d
INFO: rcu detected stall in kcov_close mm 97 5d07h 165d
kernel panic: System is deadlocked on memory (2) mm 19 21d 165d
INFO: rcu detected stall in vm_mmap_pgoff mm 77 3d10h 166d PATCH [109d]
INFO: rcu detected stall in kcov_ioctl (2) mm 78 18d 179d 💬 2 [178d]
BUG: Bad page map (8) mm C done done 10 7d05h 190d 💬 10 [28d]
general protection fault in khugepaged (3) mm 13 87d 195d
INFO: task hung in filemap_fault (6) mm 186 19d 199d
WARNING in __page_table_check_ptes_set (2) mm C done 120 11d 226d 💬 4 [116d]
WARNING: locking bug in __schedule mm 1470 8h02m 230d 💬 1 [18d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 15d 237d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 57d 238d 💬 2 [237d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 179d 243d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 139 7d20h 243d
WARNING in shmem_evict_inode (3) mm 23 1d17h 245d
INFO: rcu detected stall in sys_sendto (7) mm net C error 242 2d03h 248d
INFO: task hung in __lru_add_drain_all (2) mm syz 270 9d05h 252d
BUG: Bad rss-counter state (5) bcachefs mm C done 1056 11h33m 256d 💬 3 [18d]
INFO: rcu detected stall in validate_mm (3) mm C error 32 10d 257d 💬 5 [199d]
general protection fault in __pte_offset_map_lock mm C done done 90 45d 264d
possible deadlock in gup_fast_fallback mm C done 1403 16h23m 279d 💬 1 [18d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 189d 296d 💬 2 [175d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 226 3h13m 302d 💬 10 [4d20h]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 99d 321d 💬 3 [175d]
WARNING in kunmap_local_indexed mm C 1380 186d 333d
INFO: rcu detected stall in sys_syslog (2) mm C error 35 13d 339d
BUG: soft lockup in pipe_read fs mm syz 4 226d 366d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 61d 381d
INFO: rcu detected stall in dput (8) mm C done 267 2d05h 390d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 84d 407d
INFO: rcu detected stall in sys_socket (10) mm C done 104 2d10h 421d 💬 6 [417d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 156d 438d
INFO: rcu detected stall in worker_thread (9) mm C done 3171 1d02h 475d PATCH [468d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 197d 478d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10413 3d12h 488d PATCH [204d]
kernel BUG in filemap_unaccount_folio mm C done done 151 11d 506d 💬 4 [51d]
INFO: rcu detected stall in sys_openat (3) mm C error 355 17h21m 509d
INFO: rcu detected stall in sys_unlink (3) mm C error 167 5d18h 530d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 67d 641d 💬 21 [81d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 375 3h58m 641d 💬 6 [113d]
possible deadlock in page_cache_ra_unbounded mm fs C error 163 5d00h 765d
possible deadlock in filemap_fault mm C done 2526 2d12h 813d 💬 4 [18d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 384 4d03h 823d 💬 1 [164d]
memory leak in xas_create mm C 15 401d 930d 💬 9 [437d]
WARNING in ext4_dirty_folio mm C inconclusive done 25801 6d08h 1035d 💬 2 [18d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 581d 1082d 💬 3 [568d]
INFO: rcu detected stall in corrupted (4) net mm C done inconclusive 636 3d13h 1603d 💬 7 [50d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1257d 1610d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 927d 1824d 💬 2 [1718d]
moderation (46):
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 4d12h 14d
general protection fault in debug_check_no_obj_freed (8) mm 1 19d 15d
KCSAN: data-race in compact_zone / compact_zone (7) mm 1 19d 19d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes mm 2 16d 20d
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm 1 29d 25d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm 2 4d07h 25d
KCSAN: data-race in do_sync_mmap_readahead / read_pages (3) mm 1 29d 29d
kernel panic: stack is corrupted in lock_acquire (4) cgroups mm 1 33d 29d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 3 4d21h 32d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (3) mm 2 12d 36d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 2 26d 45d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 13 23h45m 47d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 3 6d04h 52d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 3 41d 59d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 18 5d03h 63d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 3 6d05h 64d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 84 18h20m 65d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 17 9d10h 66d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 43d 66d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 148 10h33m 67d
BUG: workqueue leaked atomic, lock or RCU: syz.NUM.NUM[NUM] mm usb 4 24d 70d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 7 1d17h 78d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 17 3d17h 100d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 15 18h24m 103d
INFO: task hung in writeback_iter fs mm 145 7d19h 116d
KCSAN: data-race in getrusage / vms_clear_ptes mm 54 1d00h 124d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 5 22h26m 129d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 13 16d 193d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 57 1d14h 203d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 55 6h25m 204d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 45 4d17h 205d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 227 18h53m 262d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 49 6d13h 289d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 88 16m 292d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 198 6h20m 378d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 472 17h56m 380d
KCSAN: data-race in call_rcu / mtree_range_walk mm 721 8h45m 381d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 518 1h39m 381d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 898 13h04m 413d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 846 now 1114d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1124 18h25m 1137d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4392 13h17m 1308d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1473 1d14h 1582d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4054 1d09h 1872d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1670 13h03m 1877d
corrupted report (2) mm 811589 now 2480d