syzbot

 sign-in | mailing list | source | docs
🐞 Open [1581]
≡ Subsystems
🐞 Fixed [6251]
🐞 Invalid [15820]
⬇ 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 (126):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in folio_large_mapcount mm 1 10d 6d00h PATCH [now]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 10d 8d11h
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 15d 11d
KCSAN: data-race in copy_fs / free_bprm fs mm 1 15d 15d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 13d 17d 💬 4 [9d16h]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 25d 21d
BUG: Bad page state in page_cache_ra_order mm C 4 11d 21d
INFO: task hung in exit_mmap (2) mm C done 6 8d08h 28d
kernel BUG in __filemap_add_folio mm fs C done 14 5d21h 28d
INFO: task hung in page_cache_ra_order fs mm C done 22 2d13h 30d 💬 1 [30d]
BUG: sleeping function called from invalid context in emon mm 1 47d 43d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 49d 45d
general protection fault in mremap mm C done done 25 49d 47d 💬 8 [8d19h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 20d 50d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 10d 51d
INFO: rcu detected stall in clone (7) mm 43 14d 57d
KASAN: slab-use-after-free Read in __mm_populate mm 1 67d 63d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 71d 67d
general protection fault in xas_create mm bcachefs syz 2 18d 67d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 77d 72d
WARNING in depot_fetch_stack mm 7 6d22h 79d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 66d 81d 💬 12 [68d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 18d 81d
WARNING in get_dump_page ext4 mm C done error 5 72d 85d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 57d 94d
kernel BUG in shmem_undo_range mm bcachefs syz 1 96d 95d
WARNING in workingset_update_node mm bcachefs syz 1 96d 95d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 77d 97d 💬 2 [97d]
INFO: task hung in rmap_walk_file mm C error 19 6d13h 105d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 91d 105d 💬 2 [96d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 11 1d11h 105d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 73d 107d 💬 2 [97d]
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 10d 118d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 16d 138d PATCH [2d03h]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 60d 139d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 38d 142d 💬 1 [142d]
possible deadlock in move_pages (2) mm C done 508 129d 152d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 2d03h 152d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 17d 157d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 10d 161d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 52d 163d 💬 25 [60d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 50d 164d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 1d18h 165d 💬 6 [74d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 13d 166d
possible deadlock in balance_pgdat (2) scsi mm C 4 135d 169d 💬 1 [126d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 56 3d15h 170d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 73 3h34m 173d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) mm media syz error unreliable 8 95d 177d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 6d09h 178d 💬 7 [108d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 1d03h 178d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 43d 179d
BUG: corrupted list in list_lru_add mm syz 6 11d 181d
INFO: rcu detected stall in security_file_ioctl (9) mm 68 12d 182d
BUG: Bad page state in iomap_write_begin xfs mm C 216 16h24m 184d 💬 4 [60d]
kernel BUG in resv_map_release (3) mm C 9 16d 192d 💬 1 [191d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 93 7d00h 193d
BUG: unable to handle kernel paging request in schedule mm 21 71d 196d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 24d 199d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 108d 200d 💬 2 [106d]
INFO: rcu detected stall in brk (2) mm syz 2 141d 203d 💬 8 [202d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 57d 204d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 16d 205d
WARNING in get_taint (2) mm C 363 178d 209d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 30 3h35m 216d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 89d 218d 💬 1 [217d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 39d 219d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 224d 220d 💬 6 [219d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 68 4d11h 224d
KMSAN: uninit-value in swap_writepage mm syz 25 63d 225d 💬 2 [102d]
WARNING in vms_complete_munmap_vmas mm C 2023 2h04m 226d 💬 1 [10d]
WARNING in page_counter_cancel (5) mm C 15 7d14h 230d 💬 1 [229d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 13d 232d
INFO: rcu detected stall in vhci_release mm syz done 12 19d 236d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 30d 242d 💬 4 [241d]
INFO: rcu detected stall in shmem_fault (6) mm C 108 6d18h 245d PATCH [227d]
BUG: corrupted list in do_compact_page mm syz 46 57d 246d 💬 1 [231d]
INFO: rcu detected stall in sys_execve (6) mm syz done 47 5d15h 247d
INFO: rcu detected stall in x64_sys_call mm syz error 266 3d13h 255d
BUG: corrupted list in add_to_unbuddied mm syz 43 62d 256d 💬 4 [217d]
KMSAN: uninit-value in sw842_compress mm C 65 30d 257d 💬 3 [189d]
INFO: task hung in hugetlb_fault mm C done 65 5d00h 258d 💬 2 [222d]
kernel BUG in z3fold_page_migrate mm syz 354 55d 261d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 25d 263d 💬 1 [75d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 57d 272d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 88d 279d
INFO: rcu detected stall in kcov_close mm 111 11d 283d
kernel panic: System is deadlocked on memory (2) mm 34 12h42m 283d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 17d 285d PATCH [227d]
INFO: task hung in filemap_fault (6) mm 192 28d 317d
WARNING: locking bug in __schedule mm 1943 59d 348d 💬 1 [75d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 133d 355d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 297d 361d
WARNING in shmem_evict_inode (3) mm 35 12d 363d
INFO: rcu detected stall in sys_sendto (7) mm net C error 267 3d08h 366d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 32d 370d
BUG: Bad rss-counter state (5) bcachefs mm C done 2360 2d05h 374d 💬 3 [10d]
INFO: rcu detected stall in validate_mm (3) mm C error 34 12d 375d 💬 5 [318d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2103 7h31m 397d 💬 1 [10d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 307d 414d 💬 2 [293d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 260 22h13m 420d 💬 10 [29d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 50d 439d 💬 3 [294d]
WARNING in kunmap_local_indexed mm C 1599 16m 451d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 7d06h 457d
BUG: soft lockup in pipe_read fs mm syz 5 106d 484d
INFO: task hung in _vm_unmap_aliases (3) mm C 531 14h31m 499d
INFO: rcu detected stall in dput (8) mm C done 351 15h33m 508d
INFO: rcu detected stall in sys_socket (10) mm C done 118 11d 539d 💬 6 [535d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 274d 556d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 17d 559d 💬 1 [72d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3574 6h12m 593d PATCH [587d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 316d 596d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 50d 607d PATCH [322d]
kernel BUG in filemap_unaccount_folio mm C done error 373 1d04h 624d 💬 4 [169d]
INFO: rcu detected stall in sys_openat (3) mm C error 402 15h33m 627d
INFO: rcu detected stall in sys_unlink (3) mm C error 183 4d12h 648d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 185d 760d 💬 21 [199d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 541 7h18m 760d 💬 6 [10d]
possible deadlock in filemap_fault mm block C done 2787 1d12h 931d 💬 4 [10d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 412 10d 941d 💬 1 [282d]
memory leak in xas_create mm C 15 519d 1049d 💬 9 [555d]
WARNING in ext4_dirty_folio mm C inconclusive done 25815 4d09h 1153d 💬 2 [10d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 699d 1201d 💬 3 [686d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 662 20h31m 1721d 💬 7 [10d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1375d 1728d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 93d 1745d 💬 2 [1086d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1045d 1943d 💬 2 [1836d]
moderation (57):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 1 1d02h 1d01h
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 2d03h 2d03h
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last mm 4 1d06h 9d10h
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 11d 11d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 12d 12d
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 19d 15d
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 16d 15d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 8d11h 19d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 18d 23d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 5 5d01h 23d
general protection fault in lru_gen_test_recent mm 2 12d 24d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 11 3d23h 26d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 31 1d02h 27d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 31 1d14h 27d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 33d 33d
possible deadlock in page_cache_ra_unbounded (2) mm fs 2 8h12m 35d
kernel BUG in folio_clear_dirty_for_io fs mm 2 42d 38d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 22d 38d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 38d 38d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 39d 39d
general protection fault in workingset_refault (2) mm 1 48d 44d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 2d01h 51d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 9 1d22h 52d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 9 3d20h 55d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 54d 59d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 14d 60d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 54d 62d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 4 11d 64d
general protection fault in refill_obj_stock mm cgroups 4 7d08h 66d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 77d 73d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 29 1d08h 107d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 19d 116d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) mm fs 5 34d 150d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 50 8h23m 182d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 230 23h45m 184d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 55 5d06h 184d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 397 22h14m 185d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 42 1d01h 218d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 34 5d21h 221d
KCSAN: data-race in getrusage / vms_clear_ptes mm 125 5d11h 242d 💬 1 [68d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 99 21h51m 321d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 90 5d17h 322d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 75 1d12h 324d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 447 1d04h 381d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 9d05h 407d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 120 1d05h 410d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 28d 496d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 29d 499d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 28d 499d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 29d 499d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1399 7h20m 531d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 882 1d08h 1232d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1323 4h30m 1255d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4612 7h35m 1426d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1521 6d13h 1701d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 10d 1990d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1966 7h02m 1996d