syzbot

 sign-in | mailing list | source | docs
🐞 Open [1597]
≡ Subsystems
🐞 Fixed [6225]
🐞 Invalid [15746]
⬇ 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 (130):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 4d13h 13h38m
KCSAN: data-race in copy_fs / free_bprm fs mm 1 5d12h 5d09h
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 2d18h 6d14h 💬 3 [1h58m]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 15d 11d
BUG: Bad page state in page_cache_ra_order mm C 4 1d02h 11d
INFO: task hung in exit_mmap (2) mm C done 6 12d 17d
kernel BUG in __filemap_add_folio fs mm C done 14 9d11h 17d
INFO: task hung in page_cache_ra_order fs mm C done 17 1d04h 20d 💬 1 [19d]
WARNING in move_to_new_folio mm C done 13 27d 29d PATCH [11d]
BUG: sleeping function called from invalid context in emon mm 1 37d 33d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 38d 34d
general protection fault in mremap mm C done 25 38d 36d 💬 8 [28d]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 10d 39d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 12h59m 41d
INFO: rcu detected stall in clone (7) mm 43 3d18h 46d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 48d 47d 💬 1 [47d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 56d 52d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 61d 57d
general protection fault in xas_create mm bcachefs syz 2 8d04h 57d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 67d 62d
WARNING in depot_fetch_stack mm 6 8d16h 68d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 56d 71d 💬 12 [57d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 7d14h 71d
WARNING in get_dump_page ext4 mm C done error 5 62d 75d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 47d 84d
kernel BUG in shmem_undo_range mm bcachefs syz 1 85d 84d
WARNING in workingset_update_node mm bcachefs syz 1 85d 84d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 67d 87d 💬 2 [87d]
KASAN: slab-use-after-free Read in folio_lock_anon_vma_read mm 1 94d 90d 💬 2 [53d]
KASAN: slab-use-after-free Write in folio_get_anon_vma mm 1 97d 93d
INFO: task hung in rmap_walk_file mm C error 19 26d 94d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 81d 95d 💬 2 [86d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 10 7d04h 95d
UBSAN: shift-out-of-bounds in shmem_add_to_page_cache mm bcachefs syz 1 98d 97d 💬 3 [87d]
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 63d 97d 💬 2 [87d]
KASAN: use-after-free Read in ptdump_pte_entry mm 2 97d 112d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 6d11h 128d PATCH [112d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 49d 128d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 27d 131d 💬 1 [131d]
possible deadlock in move_pages (2) mm C done 508 119d 141d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 41d 142d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 7d00h 147d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 8 13d 150d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 41d 152d 💬 25 [50d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 40d 154d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 31d 154d 💬 6 [63d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 3d03h 155d
possible deadlock in balance_pgdat (2) scsi mm C 4 125d 158d 💬 1 [116d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 55 7d17h 159d
INFO: rcu detected stall in sys_sendmmsg (7) mm 72 14h48m 163d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 85d 166d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 10d 167d 💬 7 [97d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 23d 168d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 33d 168d
BUG: corrupted list in list_lru_add mm bcachefs syz 6 1d07h 171d
INFO: rcu detected stall in security_file_ioctl (9) mm 68 1d20h 171d
BUG: Bad page state in iomap_write_begin xfs mm C 204 3d15h 173d 💬 4 [50d]
kernel BUG in resv_map_release (3) mm C 9 5d14h 181d 💬 1 [181d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 92 21d 183d
BUG: unable to handle kernel paging request in schedule mm 21 61d 186d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 13d 189d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 98d 190d 💬 2 [96d]
INFO: rcu detected stall in brk (2) mm syz 2 130d 193d 💬 8 [192d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 46d 193d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 6d06h 194d
WARNING in get_taint (2) mm C 363 168d 199d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 29 32d 206d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 79d 208d 💬 1 [207d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 28d 209d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 214d 210d 💬 6 [208d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 65 23d 213d
KMSAN: uninit-value in swap_writepage mm syz 25 53d 214d 💬 2 [92d]
WARNING in vms_complete_munmap_vmas mm C 1866 1h55m 216d 💬 1 [9h15m]
WARNING in page_counter_cancel (5) mm C 14 13d 220d 💬 1 [219d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 3d09h 221d
INFO: rcu detected stall in vhci_release mm syz done 12 9d06h 226d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 20d 231d 💬 4 [231d]
INFO: rcu detected stall in shmem_fault (6) mm C 106 3d16h 235d PATCH [217d]
BUG: corrupted list in do_compact_page mm syz 46 47d 236d 💬 1 [221d]
INFO: rcu detected stall in sys_execve (6) mm syz done 45 47d 237d
INFO: rcu detected stall in x64_sys_call mm syz error 262 2h18m 245d
BUG: corrupted list in add_to_unbuddied mm syz 43 52d 246d 💬 4 [206d]
KMSAN: uninit-value in sw842_compress mm C 65 19d 246d 💬 3 [179d]
INFO: task hung in hugetlb_fault mm C done 65 27d 247d 💬 2 [212d]
kernel BUG in z3fold_page_migrate mm syz 354 45d 250d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 15d 252d 💬 1 [65d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 47d 262d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 78d 269d
INFO: rcu detected stall in kcov_close mm 111 1d06h 273d
kernel panic: System is deadlocked on memory (2) mm 29 4d19h 273d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 6d23h 274d PATCH [217d]
INFO: task hung in filemap_fault (6) mm 192 18d 307d
WARNING: locking bug in __schedule mm 1943 48d 338d 💬 1 [65d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 122d 345d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 287d 350d
WARNING in shmem_evict_inode (3) mm 35 2d08h 352d
INFO: rcu detected stall in sys_sendto (7) mm net C error 265 7d21h 356d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 22d 360d
BUG: Bad rss-counter state (5) bcachefs mm C done 2357 23h23m 364d 💬 3 [9h15m]
INFO: rcu detected stall in validate_mm (3) mm C error 34 2d08h 365d 💬 5 [307d]
general protection fault in __pte_offset_map_lock mm C done done 90 152d 372d
possible deadlock in gup_fast_fallback ntfs3 mm C done 1997 2d04h 386d 💬 1 [9h15m]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 297d 403d 💬 2 [283d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 255 6d22h 409d 💬 10 [18d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 39d 429d 💬 3 [283d]
WARNING in kunmap_local_indexed mm C 1469 16h56m 441d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 31d 447d
BUG: soft lockup in pipe_read fs mm syz 5 96d 473d
INFO: task hung in _vm_unmap_aliases (3) mm C 516 15h18m 489d
INFO: rcu detected stall in dput (8) mm C done 342 5h13m 498d
INFO: rcu detected stall in sys_socket (10) mm C done 118 1d06h 529d 💬 6 [524d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 263d 546d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 7d07h 548d 💬 1 [62d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3540 1h35m 583d PATCH [576d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 305d 586d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 39d 596d PATCH [312d]
kernel BUG in filemap_unaccount_folio mm C done 370 36d 614d 💬 4 [159d]
INFO: rcu detected stall in sys_openat (3) mm C error 395 3d08h 617d
INFO: rcu detected stall in sys_unlink (3) mm C error 182 2d15h 637d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 175d 749d 💬 21 [189d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 532 3h26m 749d 💬 6 [9h15m]
possible deadlock in filemap_fault mm block C done 2776 8h06m 921d 💬 4 [9h15m]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 412 1h31m 930d 💬 1 [272d]
memory leak in xas_create mm C 15 509d 1038d 💬 9 [544d]
WARNING in ext4_dirty_folio mm C inconclusive done 25812 8d01h 1143d 💬 2 [9h15m]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 689d 1190d 💬 3 [676d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 651 5d10h 1711d 💬 7 [9h15m]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1365d 1718d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 82d 1735d 💬 2 [1076d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1035d 1932d 💬 2 [1826d]
moderation (54):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 1d11h 1d11h
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 1d22h 1d22h
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 8d20h 4d20h
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 6d02h 5d01h
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 1 8d17h 8d17h
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 8d00h 12d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 3 6d17h 13d
general protection fault in lru_gen_test_recent mm 2 2d04h 13d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 7 17h56m 15d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 19 1d10h 17d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 20 3h12m 17d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 23d 23d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 29d 25d
kernel BUG in folio_clear_dirty_for_io fs mm 2 31d 27d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 11d 28d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 28d 28d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 28d 28d
general protection fault in workingset_refault (2) mm 1 38d 34d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 2 41d 41d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 13h20m 42d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 3 42d 44d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 43d 48d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 4d01h 49d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 44d 52d
general protection fault in refill_obj_stock mm cgroups 2 12h43m 56d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 67d 63d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 16 15d 96d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 8d16h 106d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 24d 140d
KCSAN: data-race in generic_fillattr / shmem_symlink (4) mm 6 53d 153d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 46 1d16h 171d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 220 2d00h 173d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 50 1d02h 174d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 378 5h29m 174d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 37 1h26m 207d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 33 20d 210d
KCSAN: data-race in getrusage / vms_clear_ptes mm 118 1d11h 231d 💬 1 [58d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 96 1d05h 311d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 88 2d12h 311d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 72 4d07h 313d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 433 1d01h 370d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 64 2d22h 396d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 115 2d18h 399d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 17d 486d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 18d 488d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 18d 488d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 18d 488d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1351 5h33m 520d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 878 9d10h 1222d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1307 5h37m 1245d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4595 5h45m 1416d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1519 1d15h 1690d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4069 13d 1980d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1939 5h33m 1985d