syzbot

 sign-in | mailing list | source | docs
🐞 Open [1660]
≡ Subsystems
🐞 Fixed [5980]
🐞 Invalid [14712]
⬇ Missing Backports [130]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (125):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in netlink_release (5) mm syz 1 6d07h 2d07h
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) fs mm 1 12d 11d
kernel BUG in alloc_hugetlb_folio_reserve mm 8 10d 15d PATCH [1d20h]
INFO: rcu detected stall in task_numa_work (2) mm C error 15 15h03m 15d
WARNING in vma_merge_existing_range mm 1 22d 18d 💬 7 [12d]
KASAN: slab-use-after-free Read in filemap_map_pages mm xfs C inconclusive 5 22d 18d 💬 1 [18d]
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm 1 20d 19d
KCSAN: data-race in read_pages / read_pages (4) fs mm 2 18d 23d
KASAN: stack-out-of-bounds Read in save_stack mm 1 28d 23d
general protection fault in __memcg_kmem_charge_page cgroups mm 1 29d 25d
general protection fault in workingset_refault mm 8 26d 28d 💬 1 [25d]
possible deadlock in move_pages (2) mm C done 508 5d20h 28d
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 33d 29d
INFO: rcu detected stall in sys_mkdirat (2) mm 40 2d14h 33d
WARNING in __folio_rmap_sanity_checks (2) mm C inconclusive 9 21d 39d 💬 25 [5d21h]
WARNING in lru_gen_add_folio mm C done 28 39d 40d 💬 1 [40d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 2 21d 41d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 5 42d 41d 💬 4 [15d]
INFO: rcu detected stall in sys_umount (3) mm syz 34 1d15h 42d
WARNING: locking bug in on mm 2 46d 42d
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 3 1d09h 42d
INFO: task hung in v9fs_evict_inode v9fs mm syz 24 2d01h 45d
possible deadlock in balance_pgdat (2) scsi mm C 4 11d 45d 💬 1 [3d00h]
KASAN: slab-use-after-free Read in lru_add mm 1 50d 46d
INFO: rcu detected stall in sys_symlinkat (5) mm syz 45 18h03m 46d
BUG: stack guard page was hit in sys_sendfile64 mm v9fs C 7 3d09h 46d
WARNING: locking bug in emon mm bpf 2 53d 49d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 58d 54d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 12 16d 54d 💬 7 [35d]
INFO: rcu detected stall in sys_mmap (3) mm C error 18 2h06m 55d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 20 4d22h 55d
BUG: corrupted list in list_lru_add mm bcachefs syz 1 62d 58d
INFO: rcu detected stall in security_file_ioctl (9) mm 56 5d04h 58d
possible deadlock in try_to_wake_up (7) mm 1 63d 59d
WARNING in _xfs_buf_alloc mm 1 64d 60d
BUG: Bad page state in iomap_write_begin mm C 85 5h36m 60d 💬 4 [59d]
general protection fault in mas_store_prealloc mm C 11 46d 63d PATCH [60d]
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 3 22d 67d
kernel BUG in resv_map_release (3) mm C 6 14d 68d 💬 1 [68d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 78 3d09h 69d
BUG: unable to handle kernel paging request in schedule mm 14 8d15h 73d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 22 1d16h 73d PATCH [36d]
WARNING: locking bug in get_page_from_freelist mm sound syz 368 3h55m 75d 💬 1 [30d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 9 9d12h 76d
WARNING: locking bug in __set_page_owner mm C error 85394 6m 76d 💬 2 [27d]
INFO: rcu detected stall in brk (2) input mm usb syz 2 17d 79d 💬 8 [79d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 75 7h22m 80d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 37 19d 81d
kernel BUG in zap_huge_pmd mm C 2 86d 82d 💬 5 [82d]
WARNING in get_taint (2) mm C 363 54d 85d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 53d 86d 💬 5 [85d]
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 25 7d13h 93d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 7 17d 94d 💬 1 [94d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 20 12h58m 95d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 100d 96d 💬 6 [95d]
stack segment fault in folio_wait_writeback fs mm syz 4 96d 98d 💬 2 [95d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 57 4d23h 100d
KMSAN: uninit-value in swap_writepage mm 3 48d 101d 💬 2 [99d]
WARNING in vms_complete_munmap_vmas mm C 848 3h10m 102d 💬 1 [13d]
INFO: rcu detected stall in kswapd (3) mm C 5 21d 104d
WARNING in page_counter_cancel (5) mm C 5 6d09h 106d 💬 1 [105d]
INFO: rcu detected stall in kjournald2 (2) mm C error 60 4d23h 108d
BUG: unable to handle kernel paging request in clear_page_erms (6) virt mm net 2 43d 112d
INFO: rcu detected stall in vhci_release mm syz done 8 5d23h 113d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 113d 113d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 87 19h02m 118d 💬 4 [117d]
INFO: rcu detected stall in shmem_fault (6) mm 73 15h12m 121d PATCH [104d]
BUG: corrupted list in do_compact_page mm syz 21 31d 123d 💬 1 [108d]
INFO: rcu detected stall in sys_execve (6) mm syz done 44 5d03h 124d
BUG: corrupted list in add_to_unbuddied mm syz 28 76d 132d 💬 4 [93d]
KMSAN: uninit-value in sw842_compress mm C 32 1d08h 133d 💬 3 [66d]
INFO: task hung in hugetlb_fault mm C done 65 4d20h 134d 💬 2 [99d]
kernel BUG in z3fold_page_migrate mm syz 158 15h35m 137d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3622 1d03h 139d 💬 1 [13d]
general protection fault in ksm_do_scan mm 9 97d 145d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 41 22h15m 148d
INFO: task hung in hugetlb_wp mm C done 94 28d 156d
INFO: rcu detected stall in kcov_close mm 96 1d17h 160d
kernel panic: System is deadlocked on memory (2) mm 19 16d 160d
INFO: rcu detected stall in vm_mmap_pgoff mm 75 1d16h 161d PATCH [104d]
INFO: rcu detected stall in kcov_ioctl (2) mm 78 13d 173d 💬 2 [172d]
BUG: Bad page map (8) mm C done done 10 1d15h 184d 💬 10 [22d]
general protection fault in khugepaged (3) mm 13 81d 190d
INFO: task hung in filemap_fault (6) mm 186 13d 193d
WARNING in __page_table_check_ptes_set (2) mm C done 120 6d05h 220d 💬 4 [110d]
WARNING: locking bug in __schedule mm 1430 4h21m 224d 💬 1 [13d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 9d13h 232d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 52d 232d 💬 2 [232d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 174d 237d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 139 2d05h 237d
WARNING in shmem_evict_inode (3) mm 22 26d 239d
INFO: rcu detected stall in sys_sendto (7) mm net C error 239 13h06m 242d
INFO: task hung in __lru_add_drain_all (2) mm syz 270 3d15h 246d
BUG: Bad rss-counter state (5) bcachefs mm C done 1049 1d12h 251d 💬 3 [13d]
INFO: rcu detected stall in validate_mm (3) mm C error 32 4d10h 252d 💬 5 [194d]
general protection fault in __pte_offset_map_lock mm C done done 90 39d 258d
possible deadlock in gup_fast_fallback mm C done 1364 2h16m 273d 💬 1 [13d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 183d 290d 💬 2 [169d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 222 16h39m 296d 💬 10 [30d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 93d 315d 💬 3 [170d]
WARNING in kunmap_local_indexed mm C 1380 181d 328d
INFO: rcu detected stall in sys_syslog (2) mm C error 35 8d00h 333d
BUG: soft lockup in pipe_read fs mm syz 4 220d 360d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 55d 375d
INFO: rcu detected stall in dput (8) mm C done 264 1d13h 384d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 79d 401d
INFO: rcu detected stall in sys_socket (10) mm C done 102 11m 415d 💬 6 [411d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 150d 432d
INFO: rcu detected stall in worker_thread (9) mm C done 3152 11m 469d PATCH [463d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 192d 472d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10409 2d04h 483d PATCH [198d]
kernel BUG in filemap_unaccount_folio mm C done done 151 6d00h 500d 💬 4 [45d]
INFO: rcu detected stall in sys_openat (3) mm C error 352 17h34m 504d
INFO: rcu detected stall in sys_unlink (3) mm C error 167 4h03m 524d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 62d 636d 💬 21 [76d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 367 1d11h 636d 💬 6 [108d]
possible deadlock in page_cache_ra_unbounded mm fs C error 162 2h03m 760d
possible deadlock in filemap_fault mm C done 2497 29m 807d 💬 4 [13d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 378 22h05m 817d 💬 1 [159d]
memory leak in xas_create mm C 15 395d 925d 💬 9 [431d]
WARNING in ext4_dirty_folio mm C inconclusive done 25801 18h01m 1029d 💬 2 [13d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 575d 1077d 💬 3 [562d]
INFO: rcu detected stall in corrupted (4) net mm C done inconclusive 635 11h13m 1597d 💬 7 [45d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1251d 1604d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 921d 1819d 💬 2 [1713d]
moderation (49):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ptdump_pte_entry mm 1 11d 7d18h
BUG: unable to handle kernel paging request in __folio_batch_add_and_move mm 1 13d 9d00h
general protection fault in debug_check_no_obj_freed (8) mm 1 13d 9d21h
KCSAN: data-race in compact_zone / compact_zone (7) mm 1 14d 14d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes mm 2 11d 15d
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm 1 23d 19d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm 1 20d 20d
KCSAN: data-race in do_sync_mmap_readahead / read_pages (3) mm 1 23d 23d
kernel panic: stack is corrupted in lock_acquire (4) mm cgroups 1 27d 23d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 2 19d 27d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (3) mm 2 7d07h 30d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 2 20d 40d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 10 8h12m 41d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 3 14h22m 46d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 53d 53d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 54d 54d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 3 35d 54d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 17 5d09h 58d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 3 15h20m 58d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 75 15h25m 60d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 17 3d19h 60d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 37d 60d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) mm fs 134 14h54m 61d
BUG: workqueue leaked atomic, lock or RCU: syz.NUM.NUM[NUM] mm usb 4 18d 65d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 6 33d 72d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 16 7d03h 94d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 13 10d 97d
INFO: task hung in writeback_iter fs mm 145 2d04h 111d
KCSAN: data-race in getrusage / vms_clear_ptes mm 49 14h29m 118d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) fs mm 4 11d 123d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 13 10d 188d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 53 1d21h 197d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 50 7h01m 198d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 44 10h52m 200d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 216 1d11h 257d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 49 22h45m 283d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 84 14h56m 286d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 193 7d08h 373d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 465 2h02m 375d
KCSAN: data-race in call_rcu / mtree_range_walk mm 712 13h52m 375d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 514 2h29m 375d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 866 14h54m 407d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 841 1d15h 1108d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1112 1d09h 1131d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4378 1d11h 1302d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1471 14h38m 1577d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4046 2d19h 1866d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1653 14h37m 1872d
corrupted report (2) mm 807441 7m 2475d