syzbot

 sign-in | mailing list | source | docs
🐞 Open [1590]
≡ Subsystems
🐞 Fixed [6234]
🐞 Invalid [15790]
⬇ 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 (127):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in folio_large_mapcount mm 1 6d07h 2d07h 💬 1 [2h05m]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 31 7d03h 4d17h
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 11d 7d06h
KCSAN: data-race in copy_fs / free_bprm fs mm 1 12d 12d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended mm 2 9d10h 13d 💬 4 [5d22h]
INFO: rcu detected stall in nsim_fib_event_work mm C error 2 21d 17d
BUG: Bad page state in page_cache_ra_order mm C 4 7d19h 17d
INFO: task hung in exit_mmap (2) mm C done 6 4d14h 24d
kernel BUG in __filemap_add_folio fs mm C done 14 2d03h 24d
INFO: task hung in page_cache_ra_order fs mm C done 20 37m 26d 💬 1 [26d]
WARNING in move_to_new_folio mm C done 13 33d 36d PATCH [18d]
BUG: sleeping function called from invalid context in emon mm 1 43d 39d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 45d 41d
general protection fault in mremap mm C done done 25 45d 43d 💬 8 [5d01h]
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 16d 46d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) fs mm 3 7d05h 48d
INFO: rcu detected stall in clone (7) mm 43 10d 53d
KCSAN: data-race in try_to_migrate_one / vms_clear_ptes (2) mm 1 55d 54d 💬 1 [54d]
KASAN: slab-use-after-free Read in __mm_populate mm 1 63d 59d
UBSAN: shift-out-of-bounds in shmem_undo_range bcachefs mm syz 1 67d 63d
general protection fault in xas_create mm bcachefs syz 2 14d 63d
KASAN: wild-memory-access Read in lookup_swap_cgroup_id cgroups mm 1 73d 69d
WARNING in depot_fetch_stack mm 7 3d05h 75d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 62d 77d 💬 12 [64d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm ntfs3 C 2 14d 78d
WARNING in get_dump_page ext4 mm C done error 5 68d 82d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 53d 91d
kernel BUG in shmem_undo_range mm bcachefs syz 1 92d 91d
WARNING in workingset_update_node mm bcachefs syz 1 92d 91d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 73d 93d 💬 2 [93d]
INFO: task hung in rmap_walk_file mm C error 19 2d19h 101d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 88d 101d 💬 2 [93d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 10 13d 101d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 69d 103d 💬 2 [93d]
kernel BUG in alloc_hugetlb_folio_reserve mm C done 88 13d 135d PATCH [119d]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 16 56d 135d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 7 34d 138d 💬 1 [138d]
possible deadlock in move_pages (2) mm C done 508 125d 148d
INFO: task hung in hugetlbfs_zero_partial_page fs mm syz done 3 48d 149d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 13d 153d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 6d07h 157d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 11 48d 159d 💬 25 [56d]
BUG: unable to handle kernel paging request in memcg_rstat_updated mm cgroups 6 46d 161d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 38d 161d 💬 6 [70d]
INFO: rcu detected stall in sys_umount (3) mm syz done 36 9d20h 162d
possible deadlock in balance_pgdat (2) scsi mm C 4 131d 165d 💬 1 [123d]
INFO: rcu detected stall in sys_symlinkat (5) mm syz error 55 14d 166d
INFO: rcu detected stall in sys_sendmmsg (7) mm 72 7d07h 169d
KASAN: slab-use-after-free Read in lookup_object_or_alloc (2) media mm syz error unreliable 8 91d 173d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 32 2d16h 174d 💬 7 [104d]
INFO: rcu detected stall in sys_mmap (3) mm C error 21 29d 175d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 24 39d 175d
BUG: corrupted list in list_lru_add mm syz 6 8d00h 178d
INFO: rcu detected stall in security_file_ioctl (9) mm 68 8d13h 178d
BUG: Bad page state in iomap_write_begin xfs mm C 210 10h46m 180d 💬 4 [56d]
kernel BUG in resv_map_release (3) mm C 9 12d 188d 💬 1 [188d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 93 3d06h 189d
BUG: unable to handle kernel paging request in schedule mm 21 67d 193d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 17 20d 196d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 105d 196d 💬 2 [103d]
INFO: rcu detected stall in brk (2) mm syz 2 137d 199d 💬 8 [199d]
KASAN: slab-use-after-free Read in move_to_new_folio (3) mm 81 53d 200d
INFO: rcu detected stall in kthreadd (2) mm C unreliable 69 12d 201d
WARNING in get_taint (2) mm C 363 174d 205d
INFO: rcu detected stall in sys_readlink (5) fs mm syz done 29 39d 213d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 85d 214d 💬 1 [214d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 35d 216d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 221d 217d 💬 6 [215d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 68 17h46m 220d
KMSAN: uninit-value in swap_writepage mm syz 25 60d 221d 💬 2 [99d]
WARNING in vms_complete_munmap_vmas mm C 1943 6h55m 222d 💬 1 [7d01h]
WARNING in page_counter_cancel (5) mm C 15 3d20h 227d 💬 1 [225d]
INFO: rcu detected stall in kjournald2 (2) mm C error 70 10d 228d
INFO: rcu detected stall in vhci_release mm syz done 12 15d 233d
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk mm 172 27d 238d 💬 4 [238d]
INFO: rcu detected stall in shmem_fault (6) mm C 108 3d01h 242d PATCH [224d]
BUG: corrupted list in do_compact_page mm syz 46 54d 243d 💬 1 [228d]
INFO: rcu detected stall in sys_execve (6) mm syz done 47 1d21h 244d
INFO: rcu detected stall in x64_sys_call mm syz error 265 5h27m 251d
BUG: corrupted list in add_to_unbuddied mm syz 43 58d 252d 💬 4 [213d]
KMSAN: uninit-value in sw842_compress mm C 65 26d 253d 💬 3 [186d]
INFO: task hung in hugetlb_fault mm C done 65 1d06h 254d 💬 2 [219d]
kernel BUG in z3fold_page_migrate mm syz 354 52d 257d
INFO: task hung in page_cache_ra_unbounded (2) mm fs C done 3640 22d 259d 💬 1 [71d]
KASAN: slab-use-after-free Read in isolate_migratepages_block mm 44 54d 269d
INFO: task hung in hugetlb_wp mm C done inconclusive 94 85d 276d
INFO: rcu detected stall in kcov_close mm 111 7d23h 280d
kernel panic: System is deadlocked on memory (2) mm 31 2h32m 280d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 13d 281d PATCH [224d]
INFO: task hung in filemap_fault (6) mm 192 24d 313d
WARNING: locking bug in __schedule mm 1943 55d 344d 💬 1 [71d]
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 129d 352d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 294d 357d
WARNING in shmem_evict_inode (3) mm 35 9d01h 359d
INFO: rcu detected stall in sys_sendto (7) mm net C error 266 5d08h 362d
INFO: task hung in __lru_add_drain_all (2) mm syz 272 28d 366d
BUG: Bad rss-counter state (5) bcachefs mm C done 2359 2d03h 371d 💬 3 [7d01h]
INFO: rcu detected stall in validate_mm (3) mm C error 34 9d01h 372d 💬 5 [314d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2059 now 393d 💬 1 [7d01h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 303d 410d 💬 2 [289d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 259 2d17h 416d 💬 10 [25d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error 4 46d 436d 💬 3 [290d]
WARNING in kunmap_local_indexed mm C 1533 10h52m 448d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 3d12h 453d
BUG: soft lockup in pipe_read fs mm syz 5 103d 480d
INFO: task hung in _vm_unmap_aliases (3) mm C 524 8h44m 495d
INFO: rcu detected stall in dput (8) mm C done 348 1d01h 504d
INFO: rcu detected stall in sys_socket (10) mm C done 118 7d23h 536d 💬 6 [531d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 270d 552d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 40 14d 555d 💬 1 [68d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3566 9h00m 589d PATCH [583d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 312d 592d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 46d 603d PATCH [319d]
kernel BUG in filemap_unaccount_folio mm C done error 371 2d07h 620d 💬 4 [166d]
INFO: rcu detected stall in sys_openat (3) mm C error 401 1d00h 624d
INFO: rcu detected stall in sys_unlink (3) mm C error 183 19h04m 644d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 182d 756d 💬 21 [196d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 536 2d20h 756d 💬 6 [7d01h]
possible deadlock in filemap_fault mm block C done 2784 2h05m 927d 💬 4 [7d01h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 412 6d18h 937d 💬 1 [279d]
memory leak in xas_create mm C 15 515d 1045d 💬 9 [551d]
WARNING in ext4_dirty_folio mm C inconclusive done 25815 15h30m 1150d 💬 2 [7d01h]
INFO: task hung in do_read_cache_folio kasan mm block C error error 179 695d 1197d 💬 3 [683d]
INFO: rcu detected stall in corrupted (4) mm C done inconclusive 659 now 1717d 💬 7 [7d01h]
INFO: task can't die in wait_on_page_bit_common fs mm C done 5 1372d 1724d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 89d 1742d 💬 2 [1083d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1041d 1939d 💬 2 [1833d]
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 5d16h 5d16h
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 8d04h 8d04h
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 8d15h 8d15h
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 15d 11d
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 3 12d 11d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 2 4d17h 15d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) mm fs 2 14d 19d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 5 1d08h 20d
general protection fault in lru_gen_test_recent mm 2 8d20h 20d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 11 6h07m 22d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 26 1d18h 23d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 28 10h20m 24d
KCSAN: data-race in __filemap_remove_folio / invalidate_bdev mm 1 29d 29d
possible deadlock in page_cache_ra_unbounded (2) mm fs 1 35d 31d
kernel BUG in folio_clear_dirty_for_io fs mm 2 38d 34d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 2 18d 34d
upstream test error: KCSAN: data-race in __percpu_counter_limited_add / __percpu_counter_limited_add (3) mm 1 34d 34d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 1 35d 35d
general protection fault in workingset_refault (2) mm 1 45d 41d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 2 47d 47d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 8 2d21h 49d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) iomap mm 9 2h20m 51d
KCSAN: data-race in getrusage / zap_page_range_single mm 3 50d 55d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 10d 56d
KCSAN: data-race in _copy_to_iter / copy_page_from_iter_atomic (3) mm 3 50d 58d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 4 8d05h 60d
general protection fault in refill_obj_stock mm cgroups 4 3d14h 63d
BUG: stack guard page was hit in sys_sendmmsg (2) mm 1 73d 69d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) mm fs 24 15h53m 103d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 15d 113d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (9) fs mm 5 31d 147d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 49 4h08m 178d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 227 4h11m 180d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 55 1d13h 180d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 392 3h30m 181d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 40 2d03h 214d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 34 2d03h 217d
KCSAN: data-race in getrusage / vms_clear_ptes mm 125 1d17h 238d 💬 1 [65d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 97 5d17h 318d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 90 1d23h 318d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 74 1d10h 320d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 444 2h32m 377d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 5d11h 403d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 118 17h02m 406d
KCSAN: data-race in mas_walk / mas_wmb_replace mm 242 24d 493d
KCSAN: data-race in mas_wmb_replace / mtree_range_walk mm 566 25d 495d
KCSAN: data-race in call_rcu / mtree_range_walk mm 871 24d 495d
KCSAN: data-race in mas_replace_node / mtree_range_walk mm 595 25d 495d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1386 3h30m 527d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm fs 881 15h52m 1228d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1317 2d17h 1251d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4607 3h35m 1422d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 1521 2d19h 1697d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) fs mm 4070 6d08h 1986d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 1960 2h35m 1992d