syzbot

 sign-in | mailing list | source | docs
🐞 Open [1585]
≡ Subsystems
🐞 Fixed [6220]
🐞 Invalid [15730]
⬇ Missing Backports [181]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (131):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_fs / free_bprm fs mm 1 2d20h 2d17h
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 2h06m 3d22h
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 12d 8d12h
BUG: Bad page state in page_cache_ra_order mm C 4 12d 8d14h
INFO: task hung in exit_mmap (2) mm C done 6 10d 14d
kernel BUG in __filemap_add_folio fs mm C done 14 6d19h 15d
INFO: task hung in page_cache_ra_order fs mm C done 15 3d16h 17d 💬 1 [17d]
WARNING in move_to_new_folio mm C done 13 24d 27d PATCH [8d18h]
BUG: sleeping function called from invalid context in emon mm 1 34d 30d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 36d 31d
general protection fault in mremap mm C done 25 36d 34d 💬 8 [25d]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 7d08h 36d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 2 24d 38d
INFO: rcu detected stall in clone (7) mm 43 1d02h 44d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 45d 45d 💬 1 [44d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 54d 50d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 58d 54d
general protection fault in xas_create bcachefs mm syz 2 5d12h 54d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 64d 59d
WARNING in depot_fetch_stack mm 6 6d00h 66d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 53d 68d 💬 12 [55d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 4d22h 68d
WARNING in get_dump_page ext4 mm C done error 5 59d 72d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 44d 81d
kernel BUG in shmem_undo_range mm bcachefs syz 1 82d 81d
WARNING in workingset_update_node mm bcachefs syz 1 83d 81d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 64d 84d 💬 2 [84d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 91d 87d 💬 2 [50d]
KASAN: slab-use-after-free Write in folio_get_anon_vma mm 1 94d 90d
INFO: task hung in rmap_walk_file mm C error 19 23d 91d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 78d 92d 💬 2 [83d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 10 4d12h 92d
UBSAN: shift-out-of-bounds in shmem_add_to_page_cache mm bcachefs syz 1 96d 94d 💬 3 [84d]
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 60d 94d 💬 2 [84d]
KASAN: use-after-free Read in ptdump_pte_entry mm 2 94d 109d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 3d19h 125d PATCH [109d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 47d 126d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 25d 129d 💬 1 [128d]
possible deadlock in move_pages (2) mm C done 508 116d 138d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 39d 139d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 4d07h 144d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 8 10d 147d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 39d 150d 💬 25 [47d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 37d 151d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 29d 151d 💬 6 [61d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 11h13m 152d
possible deadlock in balance_pgdat (2) scsi mm C 4 122d 156d 💬 1 [113d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 55 5d01h 157d
INFO: rcu detected stall in sys_sendmmsg (7) mm 71 14d 160d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 82d 164d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 8d04h 165d 💬 7 [95d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 20d 165d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 30d 165d
BUG: corrupted list in list_lru_add mm bcachefs syz 5 10h26m 168d
INFO: rcu detected stall in security_file_ioctl (9) mm 67 5d09h 169d
possible deadlock in try_to_wake_up (7) mm 2 99d 169d
BUG: Bad page state in iomap_write_begin xfs mm C 204 23h46m 170d 💬 4 [47d]
kernel BUG in resv_map_release (3) mm C 9 2d22h 179d 💬 1 [178d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 92 18d 180d
BUG: unable to handle kernel paging request in schedule mm 21 58d 183d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 11d 186d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 95d 187d 💬 2 [93d]
INFO: rcu detected stall in brk (2) mm syz 2 128d 190d 💬 8 [189d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 44d 191d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 3d13h 192d
WARNING in get_taint (2) mm C 363 165d 196d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 29 29d 203d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 76d 205d 💬 1 [204d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 25d 206d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 211d 207d 💬 6 [205d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 65 20d 210d
KMSAN: uninit-value in swap_writepage mm syz 25 50d 211d 💬 2 [89d]
WARNING in vms_complete_munmap_vmas mm C 1829 3h42m 213d 💬 1 [30d]
WARNING in page_counter_cancel (5) mm C 14 10d 217d 💬 1 [216d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 17h25m 218d
INFO: rcu detected stall in vhci_release mm syz done 12 6d14h 223d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 17d 228d 💬 4 [228d]
INFO: rcu detected stall in shmem_fault (6) mm C 106 1d00h 232d PATCH [214d]
BUG: corrupted list in do_compact_page mm syz 46 44d 233d 💬 1 [218d]
INFO: rcu detected stall in sys_execve (6) mm syz done 45 44d 234d
INFO: rcu detected stall in x64_sys_call mm syz error 261 1d17h 242d
BUG: corrupted list in add_to_unbuddied mm syz 43 49d 243d 💬 4 [203d]
KMSAN: uninit-value in sw842_compress mm C 65 16d 244d 💬 3 [176d]
INFO: task hung in hugetlb_fault mm C done 65 24d 245d 💬 2 [209d]
kernel BUG in z3fold_page_migrate mm syz 354 42d 248d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 12d 250d 💬 1 [62d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 44d 259d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 75d 266d
INFO: rcu detected stall in kcov_close mm 110 4d07h 270d
kernel panic: System is deadlocked on memory (2) mm 29 2d03h 270d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 4d07h 271d PATCH [214d]
INFO: task hung in filemap_fault (6) mm 192 15d 304d
WARNING: locking bug in __schedule mm 1943 46d 335d 💬 1 [62d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 120d 342d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 284d 348d
WARNING in shmem_evict_inode (3) mm 34 16d 350d
INFO: rcu detected stall in sys_sendto (7) mm C error 265 5d05h 353d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 19d 357d
BUG: Bad rss-counter state (5) bcachefs mm C done 2354 7d20h 361d 💬 3 [30d]
INFO: rcu detected stall in validate_mm (3) mm C error 34 44d 362d 💬 5 [304d]
general protection fault in __pte_offset_map_lock mm C done done 90 150d 369d
possible deadlock in gup_fast_fallback ntfs3 mm C done 1994 1h46m 384d 💬 1 [30d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 294d 401d 💬 2 [280d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 255 4d06h 407d 💬 10 [15d]
BUG: soft lockup in mac80211_hwsim_beacon (2) wireless mm C error inconclusive 89 7h36m 424d 💬 1 [243d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 36d 426d 💬 3 [280d]
WARNING in kunmap_local_indexed mm C 1435 2h32m 438d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 29d 444d
BUG: soft lockup in pipe_read fs mm syz 5 93d 471d
INFO: task hung in _vm_unmap_aliases (3) mm C 512 22h53m 486d
INFO: rcu detected stall in dput (8) mm C done 336 1d08h 495d
INFO: rcu detected stall in sys_socket (10) mm C done 117 8d00h 526d 💬 6 [522d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 261d 543d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 4d15h 546d 💬 1 [59d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3530 10h07m 580d PATCH [573d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 302d 583d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 37d 593d PATCH [309d]
kernel BUG in filemap_unaccount_folio mm C done 370 33d 611d 💬 4 [156d]
INFO: rcu detected stall in sys_openat (3) mm C error 395 16h16m 614d
INFO: rcu detected stall in sys_unlink (3) mm C error 181 3d10h 635d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 172d 746d 💬 21 [186d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 527 14h57m 746d 💬 6 [30d]
possible deadlock in filemap_fault mm block C done 2758 9m 918d 💬 4 [30d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 411 15d 928d 💬 1 [269d]
memory leak in xas_create mm C 15 506d 1035d 💬 9 [542d]
WARNING in ext4_dirty_folio mm C inconclusive done 25812 5d09h 1140d 💬 2 [30d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 686d 1188d 💬 3 [673d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 651 2d18h 1708d 💬 7 [30d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1362d 1715d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 79d 1732d 💬 2 [1073d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1032d 1930d 💬 2 [1823d]
moderation (52):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 6d04h 2d04h
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 3d10h 2d09h
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 1 6d01h 6d01h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 5d08h 9d22h
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 3 4d01h 10d
general protection fault in lru_gen_test_recent mm 1 15d 11d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 4 3d04h 13d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 18 7h49m 14d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 16 1d02h 14d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 20d 20d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 26d 22d
kernel BUG in folio_clear_dirty_for_io fs mm 2 28d 24d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 9d02h 25d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 25d 25d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 26d 26d
general protection fault in workingset_refault (2) mm 1 35d 31d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 2 38d 38d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 5 1d19h 39d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 3 40d 42d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 40d 45d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 1d08h 47d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 41d 49d
general protection fault in refill_obj_stock cgroups mm 1 57d 53d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 64d 60d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 16 13d 94d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 6d00h 103d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 21d 137d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 6 50d 151d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 45 16h15m 169d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 219 18h48m 170d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 49 5d20h 171d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 372 12h29m 172d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 34 1d22h 205d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 33 17d 208d
KCSAN: data-race in getrusage / vms_clear_ptes mm 116 5d22h 229d 💬 1 [55d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 95 4d12h 308d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 87 10d 309d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 72 1d15h 310d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 428 15h39m 367d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 64 6h35m 394d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 115 1h58m 397d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 15d 483d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 16d 486d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 15d 486d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 16d 486d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1343 1h58m 518d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 878 6d18h 1219d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1303 14h03m 1242d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4591 1d05h 1413d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1518 2d15h 1687d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4069 10d 1977d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1936 2h19m 1983d