syzbot

 sign-in | mailing list | source | docs
🐞 Open [1657]
≡ Subsystems
🐞 Fixed [5972]
🐞 Invalid [14649]
⬇ Missing Backports [125]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (128):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (2) fs mm 1 7d05h 6d14h
kernel BUG in alloc_hugetlb_folio_reserve mm 8 4d16h 9d17h PATCH [3d14h]
INFO: rcu detected stall in task_numa_work (2) mm C error 14 12d 10d
WARNING in vma_merge_existing_range mm 1 17d 13d 💬 7 [6d19h]
KASAN: slab-use-after-free Read in filemap_map_pages mm xfs C inconclusive 5 16d 13d 💬 1 [12d]
KCSAN: data-race in page_cache_async_ra / page_cache_async_ra fs mm 1 14d 14d
KCSAN: data-race in read_pages / read_pages (4) fs mm 2 13d 18d
KASAN: stack-out-of-bounds Read in save_stack mm 1 22d 18d
general protection fault in __memcg_kmem_charge_page cgroups mm 1 23d 19d
general protection fault in workingset_refault mm 8 20d 22d 💬 1 [20d]
possible deadlock in move_pages (2) mm C done 508 11h54m 22d
INFO: task hung in hugetlbfs_zero_partial_page fs mm io-uring syz done 1 27d 23d
INFO: rcu detected stall in sys_mkdirat (2) mm 38 8d10h 28d
WARNING in __folio_rmap_sanity_checks (2) mm C inconclusive 9 16d 34d 💬 25 [13h35m]
WARNING in lru_gen_add_folio mm C done 28 33d 35d 💬 1 [35d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 2 15d 35d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 5 37d 35d 💬 4 [10d]
INFO: rcu detected stall in sys_umount (3) mm syz 31 1d04h 36d
WARNING: locking bug in on mm 2 41d 37d
WARNING in lru_gen_clear_refs mm C done 14 35d 37d 💬 1 [37d]
upstream test error: WARNING: locking bug in __rmqueue_pcplist mm 2 33d 37d
INFO: task hung in v9fs_evict_inode v9fs mm syz 23 8h05m 39d
possible deadlock in balance_pgdat (2) scsi mm C 4 6d10h 40d 💬 1 [39d]
KASAN: slab-use-after-free Read in lru_add mm 1 44d 40d
INFO: rcu detected stall in sys_symlinkat (5) mm syz 44 3d11h 41d
BUG: stack guard page was hit in sys_sendfile64 mm v9fs C 6 1d03h 41d
WARNING: locking bug in emon mm bpf 2 48d 44d
WARNING: locking bug in __sysvec_apic_timer_interrupt mm 1 52d 48d
KASAN: slab-use-after-free Read in folio_evictable (3) mm syz 12 10d 49d 💬 7 [29d]
INFO: rcu detected stall in sys_mmap (3) mm C error 17 17d 49d
INFO: rcu detected stall in sys_setsockopt (4) mm C done 19 12h19m 49d
BUG: corrupted list in list_lru_add mm bcachefs syz 1 56d 52d
INFO: rcu detected stall in security_file_ioctl (9) mm 55 23h06m 53d
possible deadlock in try_to_wake_up (7) mm 1 57d 53d
WARNING in _xfs_buf_alloc mm 1 58d 54d
BUG: Bad page state in iomap_write_begin mm C 79 5d18h 54d 💬 4 [53d]
general protection fault in mas_store_prealloc mm C 11 40d 57d PATCH [54d]
INFO: rcu detected stall in rescuer_thread batman mm ext4 C done 10 25d 58d
KCSAN: data-race in mprotect_fixup / page_vma_mapped_walk mm 3 16d 61d
kernel BUG in resv_map_release (3) mm C 6 9d09h 63d 💬 1 [62d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 76 17h39m 64d
BUG: unable to handle kernel paging request in schedule mm 14 3d06h 67d
BUG: stack guard page was hit in v9fs_file_read_iter mm C 16 8h50m 68d PATCH [31d]
WARNING: locking bug in get_page_from_freelist mm sound syz 344 39m 70d 💬 1 [25d]
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 9 4d04h 70d
WARNING: locking bug in __set_page_owner mm C error 84990 50m 71d 💬 2 [22d]
INFO: rcu detected stall in brk (2) input mm usb syz 2 12d 74d 💬 8 [73d]
kernel BUG in __page_table_check_zero (2) mm C error done 32 65d 75d 💬 6 [33d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 68 1d17h 75d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 37 14d 76d
kernel BUG in zap_huge_pmd mm C 2 81d 77d 💬 5 [76d]
WARNING in get_taint (2) mm C 363 49d 80d
INFO: rcu detected stall in vms_complete_munmap_vmas mm syz 3 48d 80d 💬 5 [80d]
INFO: rcu detected stall in sys_readlink (5) fs mm syz 25 2d05h 87d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive 7 11d 89d 💬 1 [88d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 19 3d11h 90d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 95d 91d 💬 6 [89d]
stack segment fault in folio_wait_writeback fs mm syz 4 91d 92d 💬 2 [90d]
INFO: rcu detected stall in sys_mprotect (8) mm syz 56 20h53m 94d
INFO: task hung in exit_mmap mm 236 66d 95d 💬 4 [91d]
KMSAN: uninit-value in swap_writepage mm 3 43d 95d 💬 2 [94d]
WARNING in vms_complete_munmap_vmas mm C 808 1h56m 97d 💬 1 [7d19h]
INFO: rcu detected stall in kswapd (3) mm C 5 16d 99d
WARNING in page_counter_cancel (5) mm C 5 1d01h 101d 💬 1 [100d]
INFO: rcu detected stall in kjournald2 (2) mm C error 59 4h20m 102d
BUG: unable to handle kernel paging request in clear_page_erms (6) virt mm net 2 38d 107d
INFO: rcu detected stall in vhci_release mm syz done 8 15h10m 107d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 108d 108d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 84 22h19m 112d 💬 4 [112d]
INFO: rcu detected stall in shmem_fault (6) mm 69 5d15h 116d PATCH [98d]
BUG: corrupted list in do_compact_page mm syz 21 26d 117d 💬 1 [102d]
INFO: rcu detected stall in sys_execve (6) mm syz done 43 3d17h 118d
BUG: corrupted list in add_to_unbuddied mm syz 28 71d 127d 💬 4 [87d]
KMSAN: uninit-value in sw842_compress mm C 29 4d17h 127d 💬 3 [60d]
INFO: task hung in hugetlb_fault mm C done 65 40d 128d 💬 2 [93d]
kernel BUG in z3fold_page_migrate mm syz 156 1d13h 132d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3620 6d06h 134d 💬 1 [7d19h]
general protection fault in ksm_do_scan mm 9 91d 139d
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 39 21m 143d
INFO: task hung in hugetlb_wp mm C done 94 23d 150d
INFO: rcu detected stall in kcov_close mm 92 1d10h 154d
kernel panic: System is deadlocked on memory (2) mm 19 10d 154d
INFO: rcu detected stall in vm_mmap_pgoff mm 74 1d12h 155d PATCH [98d]
INFO: rcu detected stall in kcov_ioctl (2) mm 78 7d19h 168d 💬 2 [167d]
BUG: Bad page map (8) mm C done done 9 47d 179d 💬 10 [17d]
general protection fault in khugepaged (3) mm 13 76d 184d
INFO: task hung in filemap_fault (6) mm 186 8d07h 188d
WARNING in __page_table_check_ptes_set (2) mm C done 120 21h13m 215d 💬 4 [105d]
WARNING: locking bug in __schedule mm 1380 2h04m 219d 💬 1 [7d19h]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 4d04h 226d
INFO: rcu detected stall in kcompactd (2) mm C error unreliable 6 46d 227d 💬 2 [226d]
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 168d 232d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 137 15h47m 232d
WARNING in shmem_evict_inode (3) mm 22 20d 234d
INFO: rcu detected stall in sys_sendto (7) mm net C error 231 1d18h 237d
INFO: task hung in __lru_add_drain_all (2) mm syz 269 26d 241d
BUG: Bad rss-counter state (5) bcachefs mm C done 1043 4h14m 245d 💬 3 [7d19h]
INFO: rcu detected stall in validate_mm (3) mm C error 31 20d 246d 💬 5 [188d]
general protection fault in __pte_offset_map_lock mm C done 90 34d 253d
possible deadlock in gup_fast_fallback mm C done 1327 3h38m 268d 💬 1 [7d19h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 178d 285d 💬 2 [164d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 213 1d21h 291d 💬 10 [25d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 88d 310d 💬 3 [164d]
WARNING in kunmap_local_indexed mm C 1380 175d 322d
INFO: rcu detected stall in sys_syslog (2) mm C error 35 2d15h 328d
BUG: soft lockup in pipe_read fs mm syz 4 215d 355d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 50d 370d
INFO: rcu detected stall in dput (8) mm C done 262 1d04h 379d
KASAN: slab-out-of-bounds Write in shmem_file_read_iter hfs mm C error done 4 73d 396d
INFO: rcu detected stall in sys_socket (10) mm C done 99 13h33m 410d 💬 6 [406d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 145d 427d
INFO: rcu detected stall in worker_thread (9) mm C done 3118 11h04m 464d PATCH [457d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 186d 467d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10403 11h52m 477d PATCH [193d]
kernel BUG in filemap_unaccount_folio mm C done done 151 15h58m 495d 💬 4 [40d]
INFO: rcu detected stall in sys_openat (3) mm C error 344 9h53m 498d
INFO: rcu detected stall in sys_unlink (3) mm C error 164 1d13h 519d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 56d 630d 💬 21 [70d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 362 17h42m 630d 💬 6 [102d]
possible deadlock in page_cache_ra_unbounded mm fs C error 152 1h05m 754d
possible deadlock in filemap_fault mm C done 2416 2h24m 802d 💬 4 [7d19h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 367 11h05m 812d 💬 1 [153d]
memory leak in xas_create mm C 15 390d 919d 💬 9 [426d]
WARNING in ext4_dirty_folio mm C inconclusive done 25800 7d13h 1024d 💬 2 [7d19h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 570d 1072d 💬 3 [557d]
INFO: rcu detected stall in corrupted (4) net mm C done inconclusive 632 10h30m 1592d 💬 7 [39d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1246d 1599d
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 916d 1813d 💬 2 [1707d]
moderation (52):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ptdump_pte_entry mm 1 6d10h 2d10h
BUG: unable to handle kernel paging request in __folio_batch_add_and_move mm 1 7d15h 3d15h
general protection fault in debug_check_no_obj_freed (8) mm 1 8d13h 4d13h
KCSAN: data-race in compact_zone / compact_zone (7) mm 1 8d18h 8d18h
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes mm 2 5d23h 9d21h
general protection fault in trace_event_raw_event_hugetlbfs_alloc_inode fs mm 1 18d 14d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark fs mm 1 14d 14d
KCSAN: data-race in do_sync_mmap_readahead / read_pages (3) mm 1 18d 18d
kernel panic: stack is corrupted in lock_acquire (4) mm cgroups 1 22d 18d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 2 14d 21d
KCSAN: data-race in mtree_range_walk / rcu_segcblist_enqueue (3) mm 2 1d22h 25d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 2 15d 35d
KCSAN: data-race in filemap_flush / xas_set_mark (3) mm fs 8 21h39m 36d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 2 33d 41d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (7) fs mm 1 47d 47d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 1 48d 48d
KCSAN: data-race in exec_mmap / vms_clear_ptes (2) mm 3 30d 48d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 1 51d 51d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 17 56m 53d
KCSAN: data-race in mprotect_fixup / remove_migration_pte mm 2 23h05m 53d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 66 16h49m 54d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 16 7d19h 55d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (4) mm 3 32d 55d
upstream test error: KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 1 55d 55d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 122 1h07m 56d
BUG: workqueue leaked atomic, lock or RCU: syz.NUM.NUM[NUM] mm usb 4 13d 59d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (4) mm 6 27d 67d
WARNING in free_bprm fs mm 1 85d 81d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 16 1d18h 89d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 13 5d09h 92d
INFO: task hung in writeback_iter fs mm 143 11d 105d
KCSAN: data-race in getrusage / vms_clear_ptes mm 44 11h49m 113d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (6) mm fs 4 6d02h 118d
KCSAN: data-race in mlock_folio / need_mlock_drain (6) mm 13 5d02h 182d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 52 2d05h 192d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 46 3d06h 193d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 41 2h20m 194d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 207 12m 251d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 48 3d00h 278d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 82 5d04h 281d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 193 1d23h 367d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 457 9h15m 369d
KCSAN: data-race in call_rcu / mtree_range_walk mm 704 20m 370d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 507 1d04h 370d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 848 4h01m 402d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 837 1d22h 1103d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1104 3h58m 1126d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4371 4h03m 1297d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1467 2d21h 1571d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4042 1d07h 1861d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1641 11m 1867d
corrupted report (2) mm 803821 now 2469d