syzbot

 sign-in | mailing list | source | docs
🐞 Open [1540]
≡ Subsystems
🐞 Fixed [6209]
🐞 Invalid [15648]
⬇ Missing Backports [183]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (133):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in exit_mmap (2) mm C done 5 8d14h 4d14h
kernel BUG in __filemap_add_folio fs mm C done 9 8d17h 4d20h
INFO: task hung in page_cache_ra_order fs mm C done 13 3h47m 7d02h 💬 1 [6d15h]
WARNING in move_to_new_folio mm C done 13 14d 16d PATCH [10h06m]
BUG: sleeping function called from invalid context in emon mm 1 24d 20d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 25d 21d
general protection fault in mremap mm C done 25 25d 23d 💬 8 [15d]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 4 1d03h 26d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 2 14d 28d
INFO: rcu detected stall in clone (7) mm 38 1d09h 33d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 35d 34d 💬 1 [34d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 43d 39d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 48d 44d
general protection fault in xas_create bcachefs mm syz 1 48d 44d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 54d 49d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (8) fs mm 2 46d 50d PATCH [50d]
WARNING in depot_fetch_stack mm 4 47d 55d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 43d 58d 💬 12 [44d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 1 58d 58d
WARNING in get_dump_page ext4 mm C done error 5 49d 62d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 34d 71d
kernel BUG in shmem_undo_range mm bcachefs syz 1 72d 71d
WARNING in workingset_update_node mm bcachefs syz 1 72d 71d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 54d 74d 💬 2 [74d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 81d 77d 💬 2 [40d]
KASAN: slab-use-after-free Write in folio_get_anon_vma mm 1 84d 80d
INFO: task hung in rmap_walk_file mm C error 19 13d 81d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 68d 82d 💬 2 [73d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 9 4d14h 82d
UBSAN: shift-out-of-bounds in shmem_add_to_page_cache mm bcachefs syz 1 85d 84d 💬 3 [74d]
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 50d 84d 💬 2 [74d]
WARNING: ODEBUG bug in free_unref_page mm 1 97d 92d
BUG: stack guard page was hit in sys_openat mm v9fs C done done 6 98d 95d 💬 1 [67d]
KASAN: use-after-free Read in ptdump_pte_entry mm 2 84d 99d
INFO: rcu detected stall in netlink_release (5) net mm syz error inconclusive 2 98d 102d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 86 18d 115d PATCH [99d]
INFO: rcu detected stall in task_numa_work (2) mm bpf C error 16 36d 115d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 14d 118d 💬 1 [118d]
possible deadlock in move_pages (2) mm C done 508 106d 128d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 28d 129d
INFO: rcu detected stall in sys_mkdirat (2) mm 42 8h36m 133d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 28d 139d 💬 25 [36d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 27d 141d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 18d 141d 💬 6 [50d]
INFO: rcu detected stall in sys_umount (3) mm syz done 35 29d 142d
WARNING: locking bug in on mm 4 95d 142d
possible deadlock in balance_pgdat (2) scsi mm C 4 112d 145d 💬 1 [103d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 53 6d21h 146d
INFO: rcu detected stall in sys_sendmmsg (7) mm 71 3d15h 150d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 72d 153d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 30 3d01h 154d 💬 7 [84d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 10d 155d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 19d 155d
BUG: corrupted list in list_lru_add mm bcachefs syz 2 16d 158d
INFO: rcu detected stall in security_file_ioctl (9) mm tomoyo 66 1d18h 158d
possible deadlock in try_to_wake_up (7) mm 2 89d 159d
BUG: Bad page state in iomap_write_begin xfs mm C 187 2d03h 160d 💬 4 [36d]
kernel BUG in resv_map_release (3) mm C 9 6d13h 168d 💬 1 [168d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 92 8d08h 170d
BUG: unable to handle kernel paging request in schedule mm 21 47d 173d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 19h09m 176d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 85d 177d 💬 2 [83d]
INFO: rcu detected stall in brk (2) mm syz 2 117d 180d 💬 8 [179d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 33d 180d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 67 1d15h 181d
WARNING in get_taint (2) mm C 363 155d 186d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 29 19d 193d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 66d 195d 💬 1 [194d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 15d 196d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 201d 197d 💬 6 [195d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 65 10d 200d
KMSAN: uninit-value in swap_writepage mm syz 25 40d 201d 💬 2 [79d]
WARNING in vms_complete_munmap_vmas mm C 1730 3h53m 203d 💬 1 [20d]
WARNING in page_counter_cancel (5) mm C 14 9h07m 207d 💬 1 [206d]
INFO: rcu detected stall in kjournald2 (2) mm C error 68 1d05h 208d
INFO: rcu detected stall in vhci_release mm syz done 11 20d 213d
kernel panic: stack is corrupted in _raw_spin_unlock_irqrestore mm ntfs3 syz 2 213d 213d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 7d09h 218d 💬 4 [218d]
INFO: rcu detected stall in shmem_fault (6) mm syz 100 10h54m 222d PATCH [204d]
BUG: corrupted list in do_compact_page mm syz 46 34d 223d 💬 1 [208d]
INFO: rcu detected stall in sys_execve (6) mm syz done 45 34d 224d
INFO: rcu detected stall in x64_sys_call mm syz error 253 3d08h 232d
BUG: corrupted list in add_to_unbuddied mm syz 43 38d 232d 💬 4 [193d]
KMSAN: uninit-value in sw842_compress mm C 65 6d13h 233d 💬 3 [166d]
INFO: task hung in hugetlb_fault mm C done 65 13d 234d 💬 2 [199d]
kernel BUG in z3fold_page_migrate mm syz 354 32d 237d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 2d12h 239d 💬 1 [51d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 34d 249d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 65d 256d
INFO: rcu detected stall in kcov_close mm 107 1d00h 260d
kernel panic: System is deadlocked on memory (2) mm 27 9d12h 260d
INFO: rcu detected stall in vm_mmap_pgoff mm 87 12h49m 261d PATCH [204d]
INFO: task hung in filemap_fault (6) mm 192 4d22h 294d
WARNING: locking bug in __schedule mm 1943 35d 325d 💬 1 [51d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 109d 332d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 274d 337d
INFO: rcu detected stall in shmem_file_write_iter (2) mm 142 68d 337d
WARNING in shmem_evict_inode (3) mm 34 6d05h 339d
INFO: rcu detected stall in sys_sendto (7) mm C error 264 2d05h 343d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 9d03h 346d
BUG: Bad rss-counter state (5) bcachefs mm C done 2352 1h05m 351d 💬 3 [20d]
INFO: rcu detected stall in validate_mm (3) mm C error 34 34d 352d 💬 5 [294d]
general protection fault in __pte_offset_map_lock mm C done done 90 139d 359d
possible deadlock in gup_fast_fallback ntfs3 mm C done 1923 1h52m 373d 💬 1 [20d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 284d 390d 💬 2 [270d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 254 2d21h 396d 💬 10 [5d13h]
BUG: soft lockup in mac80211_hwsim_beacon (2) wireless mm C error inconclusive 80 4d01h 414d 💬 1 [233d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 26d 416d 💬 3 [270d]
WARNING in kunmap_local_indexed mm C 1380 281d 428d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 18d 434d
BUG: soft lockup in pipe_read fs mm syz 5 83d 460d
INFO: task hung in _vm_unmap_aliases (3) mm C 509 155d 476d
INFO: rcu detected stall in dput (8) mm C done 327 11h28m 485d
INFO: rcu detected stall in sys_socket (10) mm C done 116 2d07h 516d 💬 6 [511d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 250d 533d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 39 2d14h 535d 💬 1 [49d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3481 1h44m 570d PATCH [563d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 292d 573d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive 10473 26d 583d PATCH [299d]
kernel BUG in filemap_unaccount_folio mm C done 370 23d 601d 💬 4 [146d]
INFO: rcu detected stall in sys_openat (3) mm C error 390 2d02h 604d
INFO: rcu detected stall in sys_unlink (3) mm C error 178 5d04h 624d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 162d 736d 💬 21 [176d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 513 1h02m 736d 💬 6 [20d]
possible deadlock in filemap_fault mm block C done 2630 37m 907d 💬 4 [20d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 411 5d09h 917d 💬 1 [259d]
memory leak in xas_create mm C 15 496d 1025d 💬 9 [531d]
WARNING in ext4_dirty_folio mm C inconclusive done 25811 5d06h 1130d 💬 2 [20d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 676d 1177d 💬 3 [663d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 648 3d21h 1698d 💬 7 [20d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1352d 1704d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 69d 1722d 💬 2 [1063d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1022d 1919d 💬 2 [1813d]
moderation (51):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 1 10h17m 10h17m
general protection fault in lru_gen_test_recent mm 1 4d18h 18h16m
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 2 18h44m 2d16h
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 3 1d20h 3d23h
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 4 23h53m 4d09h
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 10d 10d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 16d 12d
kernel BUG in folio_clear_dirty_for_io fs mm 2 18d 14d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 1 14d 14d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 15d 15d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 15d 15d
general protection fault in workingset_refault (2) mm 1 25d 21d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range fs mm 2 27d 27d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 2 6d06h 29d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 3 29d 31d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 30d 35d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 1 36d 36d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 31d 38d
general protection fault in refill_obj_stock cgroups mm 1 47d 43d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 54d 50d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 16 2d18h 83d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (7) mm fs 3 53d 92d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 6 3d20h 93d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 11d 127d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 6 40d 140d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (6) mm fs 4 54d 147d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 42 5h05m 158d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 209 5h05m 160d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 48 13h47m 161d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 352 44m 161d
general protection fault in call_timer_fn mm rdma acpi 3 82d 192d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 32 2d22h 194d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 33 7d10h 197d
KCSAN: data-race in getrusage / vms_clear_ptes mm 113 4d19h 218d 💬 1 [45d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 91 5h17m 298d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 86 22h41m 298d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 71 10d 300d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 411 37m 357d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 62 1d20h 383d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 113 1d20h 386d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 4d22h 473d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 5d20h 475d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 5d00h 475d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 5d18h 475d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1298 1h46m 507d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 877 1d05h 1209d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1282 2h16m 1232d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4571 1h21m 1403d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1516 1d01h 1677d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4069 14h07m 1966d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1909 1h16m 1972d