syzbot

 sign-in | mailing list | source | docs
🐞 Open [1602]
≡ Subsystems
🐞 Fixed [6228]
🐞 Invalid [15758]
⬇ Missing Backports [184]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (130):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 2d10h 6m
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 6d13h 2d12h
KCSAN: data-race in copy_fs / free_bprm fs mm 1 7d11h 7d09h
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 4d17h 8d14h 💬 4 [1d05h]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 17d 13d
BUG: Bad page state in page_cache_ra_order mm C 4 3d01h 13d
INFO: task hung in exit_mmap (2) mm C done 6 14d 19d
kernel BUG in __filemap_add_folio fs mm C done 14 11d 19d
INFO: task hung in page_cache_ra_order fs mm C done 18 15h54m 22d 💬 1 [21d]
WARNING in move_to_new_folio mm C done 13 29d 31d PATCH [13d]
BUG: sleeping function called from invalid context in emon mm 1 39d 35d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 40d 36d
general protection fault in mremap mm C done done 25 40d 38d 💬 8 [8h12m]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 12d 41d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 2d12h 43d
INFO: rcu detected stall in clone (7) mm 43 5d17h 48d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 50d 49d 💬 1 [49d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 58d 54d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 63d 59d
general protection fault in xas_create mm bcachefs syz 2 10d 59d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 69d 64d
WARNING in depot_fetch_stack mm 6 10d 70d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 58d 73d 💬 12 [59d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 9d13h 73d
WARNING in get_dump_page ext4 mm C done error 5 64d 77d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 49d 86d
kernel BUG in shmem_undo_range mm bcachefs syz 1 87d 86d
WARNING in workingset_update_node mm bcachefs syz 1 87d 86d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 69d 89d 💬 2 [89d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 96d 92d 💬 2 [55d]
KASAN: slab-use-after-free Write in folio_get_anon_vma mm 1 99d 95d
INFO: task hung in rmap_walk_file mm C error 19 28d 96d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 83d 97d 💬 2 [88d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 10 9d03h 97d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 65d 99d 💬 2 [89d]
KASAN: use-after-free Read in ptdump_pte_entry mm 2 99d 114d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 8d11h 130d PATCH [114d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 51d 130d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 29d 133d 💬 1 [133d]
possible deadlock in move_pages (2) mm C done 508 121d 143d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 43d 144d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 8d23h 149d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 1d14h 152d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 43d 154d 💬 25 [51d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 42d 156d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 33d 156d 💬 6 [65d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 5d02h 157d
possible deadlock in balance_pgdat (2) scsi mm C 4 127d 160d 💬 1 [118d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 55 9d16h 161d
INFO: rcu detected stall in sys_sendmmsg (7) mm 72 2d14h 165d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 87d 168d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 12d 169d 💬 7 [99d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 25d 170d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 34d 170d
BUG: corrupted list in list_lru_add mm bcachefs syz 6 3d06h 173d
INFO: rcu detected stall in security_file_ioctl (9) mm 68 3d19h 173d
BUG: Bad page state in iomap_write_begin xfs mm C 204 5d15h 175d 💬 4 [51d]
kernel BUG in resv_map_release (3) mm C 9 7d13h 183d 💬 1 [183d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 92 23d 185d
BUG: unable to handle kernel paging request in schedule mm 21 63d 188d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 15d 191d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 100d 192d 💬 2 [98d]
INFO: rcu detected stall in brk (2) mm syz 2 132d 195d 💬 8 [194d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 48d 195d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 8d05h 196d
WARNING in get_taint (2) mm C 363 170d 201d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 29 34d 208d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 81d 210d 💬 1 [209d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 30d 211d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 216d 212d 💬 6 [210d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 67 10h04m 215d
KMSAN: uninit-value in swap_writepage mm syz 25 55d 216d 💬 2 [94d]
WARNING in vms_complete_munmap_vmas mm C 1892 16m 218d 💬 1 [2d08h]
WARNING in page_counter_cancel (5) mm C 14 1d09h 222d 💬 1 [221d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 5d08h 223d
INFO: rcu detected stall in vhci_release mm syz done 12 11d 228d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 22d 233d 💬 4 [233d]
INFO: rcu detected stall in shmem_fault (6) mm C 107 1d19h 237d PATCH [219d]
BUG: corrupted list in do_compact_page mm syz 46 49d 238d 💬 1 [223d]
INFO: rcu detected stall in sys_execve (6) mm syz done 46 1d19h 239d
INFO: rcu detected stall in x64_sys_call mm syz error 262 2d01h 247d
BUG: corrupted list in add_to_unbuddied mm syz 43 53d 247d 💬 4 [208d]
KMSAN: uninit-value in sw842_compress mm C 65 21d 248d 💬 3 [181d]
INFO: task hung in hugetlb_fault mm C done 65 28d 249d 💬 2 [214d]
kernel BUG in z3fold_page_migrate mm syz 354 47d 252d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 17d 254d 💬 1 [66d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 49d 264d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 80d 271d
INFO: rcu detected stall in kcov_close mm 111 3d05h 275d
kernel panic: System is deadlocked on memory (2) mm 29 6d18h 275d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 8d22h 276d PATCH [219d]
INFO: task hung in filemap_fault (6) mm 192 19d 309d
WARNING: locking bug in __schedule mm 1943 50d 340d 💬 1 [66d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 124d 347d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 289d 352d
WARNING in shmem_evict_inode (3) mm 35 4d08h 354d
INFO: rcu detected stall in sys_sendto (7) mm net C error 266 15h19m 358d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 24d 361d
BUG: Bad rss-counter state (5) bcachefs mm C done 2358 1d03h 366d 💬 3 [2d08h]
INFO: rcu detected stall in validate_mm (3) mm C error 34 4d07h 367d 💬 5 [309d]
general protection fault in __pte_offset_map_lock mm C done done 90 154d 374d
possible deadlock in gup_fast_fallback ntfs3 mm C done 2013 4h02m 388d 💬 1 [2d08h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 299d 405d 💬 2 [285d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 257 1d06h 411d 💬 10 [20d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 41d 431d 💬 3 [285d]
WARNING in kunmap_local_indexed mm C 1505 3h17m 443d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 33d 449d
BUG: soft lockup in pipe_read fs mm syz 5 98d 475d
INFO: task hung in _vm_unmap_aliases (3) mm C 518 12h54m 491d
INFO: rcu detected stall in dput (8) mm C done 344 1d15h 500d
INFO: rcu detected stall in sys_socket (10) mm C done 118 3d06h 531d 💬 6 [526d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 265d 548d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 9d06h 550d 💬 1 [64d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3551 7h12m 585d PATCH [578d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 307d 588d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 41d 598d PATCH [314d]
kernel BUG in filemap_unaccount_folio mm C done 370 38d 616d 💬 4 [161d]
INFO: rcu detected stall in sys_openat (3) mm C error 398 1d07h 619d
INFO: rcu detected stall in sys_unlink (3) mm C error 182 4d14h 639d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 177d 751d 💬 21 [191d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 532 2d02h 751d 💬 6 [2d08h]
possible deadlock in filemap_fault mm block C done 2778 5h27m 922d 💬 4 [2d08h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 412 2d00h 932d 💬 1 [274d]
memory leak in xas_create mm C 15 511d 1040d 💬 9 [546d]
WARNING in ext4_dirty_folio mm C inconclusive done 25812 10d 1145d 💬 2 [2d08h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 691d 1192d 💬 3 [678d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 651 7d10h 1713d 💬 7 [2d08h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1367d 1719d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 84d 1737d 💬 2 [1078d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1037d 1934d 💬 2 [1828d]
moderation (55):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last mm 1 23h20m 23h20m
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 3d10h 3d10h
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 3d22h 3d22h
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 10d 6d19h
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 8d02h 7d01h
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 37m 10d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 9d23h 14d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 3 8d17h 15d
general protection fault in lru_gen_test_recent mm 2 4d03h 15d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 7 2d17h 17d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 23 3h19m 18d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 23 4h58m 19d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 25d 25d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 31d 27d
kernel BUG in folio_clear_dirty_for_io fs mm 2 33d 29d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 13d 29d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 30d 30d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 30d 30d
general protection fault in workingset_refault (2) mm 1 40d 36d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 2 42d 42d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 7 1d19h 44d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 5 1d00h 46d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 45d 50d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 6d00h 51d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 46d 53d
general protection fault in refill_obj_stock mm cgroups 2 2d12h 58d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 69d 65d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 19 1d00h 98d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 10d 108d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 26d 142d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 6 55d 155d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 47 2h21m 173d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 222 12h12m 175d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 50 3d01h 176d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 382 10h52m 176d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 38 2h11m 209d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 33 22d 212d
KCSAN: data-race in getrusage / vms_clear_ptes mm 123 1h18m 233d 💬 1 [60d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 97 23h55m 313d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 88 4d11h 313d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 73 3h49m 315d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 435 1d04h 372d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 18h14m 398d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 115 4d17h 401d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 19d 488d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 20d 490d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 20d 490d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 20d 490d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1366 8h39m 522d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 879 1d08h 1224d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1312 3h25m 1247d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4599 11h51m 1418d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1520 1d04h 1692d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 1d15h 1982d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1946 8h47m 1987d