syzbot

 sign-in | mailing list | source | docs
🐞 Open [1578]
≡ Subsystems
🐞 Fixed [6251]
🐞 Invalid [15827]
⬇ Missing Backports [185]
≡ 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 6d15h PATCH [14h59m]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 11d 9d02h
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 16d 16d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 13d 17d 💬 4 [10d]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 26d 22d
BUG: Bad page state in page_cache_ra_order mm C 4 12d 22d
INFO: task hung in exit_mmap (2) mm C done 6 8d23h 28d
kernel BUG in __filemap_add_folio mm fs C done 14 6d12h 28d
INFO: task hung in page_cache_ra_order fs mm C done 22 3d04h 31d 💬 1 [30d]
BUG: sleeping function called from invalid context in emon mm 1 48d 44d
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 [9d10h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 21d 50d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 11d 52d
INFO: rcu detected stall in clone (7) mm 43 14d 57d
KASAN: slab-use-after-free Read in __mm_populate mm 1 68d 64d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 72d 68d
general protection fault in xas_create mm bcachefs syz 2 19d 68d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 78d 73d
WARNING in depot_fetch_stack mm 7 7d13h 79d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 67d 82d 💬 12 [68d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 18d 82d
WARNING in get_dump_page ext4 mm C done error 5 73d 86d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 58d 95d
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 78d 98d 💬 2 [98d]
INFO: task hung in rmap_walk_file mm C error 19 7d04h 105d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 92d 106d 💬 2 [97d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 11 2d02h 106d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 74d 108d 💬 2 [98d]
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 11d 118d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 17d 139d PATCH [2d18h]
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 130d 152d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 2d18h 153d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 18d 158d
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 [61d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 51d 165d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 2d09h 165d 💬 6 [74d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 14d 166d
possible deadlock in balance_pgdat (2) scsi mm C 4 136d 169d 💬 1 [127d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 56 4d06h 170d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 73 18h30m 174d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) mm media syz error unreliable 8 96d 178d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 7d00h 178d 💬 7 [108d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 1d18h 179d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 25 3h00m 179d
BUG: corrupted list in list_lru_add mm syz 6 12d 182d
INFO: rcu detected stall in security_file_ioctl (9) mm 69 11h35m 182d
BUG: Bad page state in iomap_write_begin xfs mm C 217 7h34m 184d 💬 4 [61d]
kernel BUG in resv_map_release (3) mm C 10 2h42m 192d 💬 1 [192d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 93 7d15h 194d
BUG: unable to handle kernel paging request in schedule mm 21 72d 197d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 24d 200d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 109d 201d 💬 2 [107d]
INFO: rcu detected stall in brk (2) mm syz 2 141d 204d 💬 8 [203d]
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 17d 205d
WARNING in get_taint (2) mm C 363 179d 210d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 30 18h30m 217d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 90d 219d 💬 1 [218d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 39d 220d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 225d 221d 💬 6 [219d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 68 5d02h 224d
KMSAN: uninit-value in swap_writepage mm syz 25 64d 225d 💬 2 [103d]
WARNING in vms_complete_munmap_vmas mm C 2041 1h11m 227d 💬 1 [11d]
WARNING in page_counter_cancel (5) mm C 15 8d05h 231d 💬 1 [230d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 14d 232d
INFO: rcu detected stall in vhci_release mm syz done 12 20d 237d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 31d 242d 💬 4 [242d]
INFO: rcu detected stall in shmem_fault (6) mm C 108 7d09h 246d PATCH [228d]
BUG: corrupted list in do_compact_page mm syz 46 58d 247d 💬 1 [232d]
INFO: rcu detected stall in sys_execve (6) mm syz done 47 6d06h 248d
INFO: rcu detected stall in x64_sys_call mm syz error 268 7h48m 256d
BUG: corrupted list in add_to_unbuddied mm syz 43 63d 257d 💬 4 [217d]
KMSAN: uninit-value in sw842_compress mm C 65 30d 257d 💬 3 [190d]
INFO: task hung in hugetlb_fault mm C done 65 5d15h 258d 💬 2 [223d]
kernel BUG in z3fold_page_migrate mm syz 354 56d 261d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 26d 263d 💬 1 [76d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 58d 273d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 89d 280d
INFO: rcu detected stall in kcov_close mm 111 12d 284d
kernel panic: System is deadlocked on memory (2) mm 34 1d03h 284d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 18d 285d PATCH [228d]
INFO: task hung in filemap_fault (6) mm 192 29d 318d
WARNING: locking bug in __schedule mm 1943 60d 349d 💬 1 [76d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 133d 356d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 298d 361d
WARNING in shmem_evict_inode (3) mm 35 13d 364d
INFO: rcu detected stall in sys_sendto (7) mm net C error 267 3d23h 367d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 33d 371d
BUG: Bad rss-counter state (5) bcachefs mm C done 2360 2d20h 375d 💬 3 [11d]
INFO: rcu detected stall in validate_mm (3) mm C error 34 13d 376d 💬 5 [318d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2116 1h07m 397d 💬 1 [11d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 308d 414d 💬 2 [294d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 262 7h38m 420d 💬 10 [29d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 50d 440d 💬 3 [294d]
WARNING in kunmap_local_indexed mm C 1601 3h57m 452d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 7d20h 458d
BUG: soft lockup in pipe_read fs mm syz 5 107d 484d
INFO: task hung in _vm_unmap_aliases (3) mm C 531 1d05h 500d
INFO: rcu detected stall in dput (8) mm C done 351 1d06h 509d
INFO: rcu detected stall in sys_socket (10) mm C done 118 12d 540d 💬 6 [535d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 274d 557d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 18d 559d 💬 1 [73d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3577 4h11m 594d PATCH [587d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 316d 597d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 50d 607d PATCH [323d]
kernel BUG in filemap_unaccount_folio mm C done error 373 1d19h 625d 💬 4 [170d]
INFO: rcu detected stall in sys_openat (3) mm C error 402 1d06h 628d
INFO: rcu detected stall in sys_unlink (3) mm C error 183 5d03h 649d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 186d 760d 💬 21 [200d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 542 2h10m 760d 💬 6 [11d]
possible deadlock in filemap_fault mm block C done 2788 13h20m 932d 💬 4 [11d]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 414 3h41m 941d 💬 1 [283d]
memory leak in xas_create mm C 15 520d 1049d 💬 9 [555d]
WARNING in ext4_dirty_folio mm C inconclusive done 25815 5d00h 1154d 💬 2 [11d]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 700d 1201d 💬 3 [687d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 662 1d11h 1722d 💬 7 [11d]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1376d 1729d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 93d 1746d 💬 2 [1087d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1046d 1943d 💬 2 [1837d]
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 1d16h 1d16h
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 2d18h 2d18h
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last mm 4 1d21h 10d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 12d 12d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 13d 13d
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 4 10h27m 16d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 9d02h 19d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 19d 23d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 5 5d16h 24d
general protection fault in lru_gen_test_recent mm 2 13d 24d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 12 11h24m 26d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 31 1d17h 28d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 32 12h35m 28d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 34d 34d
possible deadlock in page_cache_ra_unbounded (2) mm fs 2 23h08m 36d
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 39d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 39d 39d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 40d 40d
general protection fault in workingset_refault (2) mm 1 49d 45d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 2d16h 52d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 11 39m 53d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 9 4d11h 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 15d 60d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 55d 63d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 4 12d 64d
general protection fault in refill_obj_stock mm cgroups 4 7d23h 67d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 78d 74d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 30 7h12m 107d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 19d 117d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) mm fs 5 35d 151d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 50 23h19m 182d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 230 1d14h 184d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 55 5d21h 185d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 401 4h53m 185d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 42 1d16h 218d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 34 6d11h 222d
KCSAN: data-race in getrusage / vms_clear_ptes mm 125 6d02h 242d 💬 1 [69d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 100 1h47m 322d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 90 6d08h 323d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 75 2d02h 324d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 449 4h20m 381d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 9d20h 407d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 120 1d20h 411d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 29d 497d
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 29d 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 1402 7h23m 532d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 882 1d23h 1233d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1324 6h57m 1256d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4613 7h23m 1427d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1521 7d04h 1701d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 10d 1991d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1971 4h55m 1996d