syzbot

 sign-in | mailing list | source | docs
🐞 Open [1597]
≡ Subsystems
🐞 Fixed [6300]
🐞 Invalid [16046]
⬇ Missing Backports [190]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (128):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in __put_task_struct (5) mm syz 3 3h58m 8m
KASAN: slab-use-after-free Read in do_sync_mmap_readahead mm C done 2 3d22h 8m
WARNING: bad unlock balance in move_pgt_entry mm C done 5 1d08h 1d04h 💬 1 [7h58m]
possible deadlock in upgrade_mmap_lock_carefully (2) mm ntfs3 C error 5 13d 9d21h 💬 1 [8d18h]
INFO: rcu detected stall in sys_unlinkat (3) mm 30 15d 11d
kernel BUG in try_to_unmap_one (2) mm C 7 2d14h 13d PATCH [6d22h]
BUG: soft lockup in sys_sendmsg (2) scsi mm block 6 13d 13d
kernel BUG in sanity_check_pinned_pages mm 1 15d 14d 💬 4 [14d]
KASAN: slab-use-after-free Read in __list_lru_walk_one (2) mm 1 21d 15d
possible deadlock in __vma_start_write mm 1 23d 19d 💬 10 [13d]
BUG: unable to handle kernel paging request in percpu_ref_get_many (2) cgroups mm 15 12d 24d 💬 1 [24d]
INFO: rcu detected stall in vms_gather_munmap_vmas mm 33 9d05h 34d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 C error 2 10d 37d
KCSAN: data-race in copy_fs / free_bprm mm fs 1 42d 42d
KCSAN: data-race in copy_page_from_iter_atomic / pagecache_isize_extended ext4 mm 2 39d 43d 💬 4 [35d]
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) wireguard mm syz error 5 30d 44d
INFO: rcu detected stall in nsim_fib_event_work mm C error 3 24d 47d
BUG: Bad page state in page_cache_ra_order mm C 7 4d20h 47d
INFO: task hung in exit_mmap (2) mm C done error 7 1d10h 54d
kernel BUG in __filemap_add_folio mm fs C done 15 2d09h 54d
BUG: soft lockup in sys_bpf mm 13 6d03h 56d
INFO: task hung in page_cache_ra_order fs mm C done 24 7d14h 56d 💬 1 [56d]
INFO: rcu detected stall in rtnl_newlink (5) mm batman syz error 98 8d18h 65d
BUG: sleeping function called from invalid context in emon mm 1 73d 69d
BUG: unable to handle kernel paging request in clear_page_erms (7) mm 1 75d 71d
BUG: soft lockup in cfg80211_wext_siwfreq kasan mm 2 21d 72d
KCSAN: data-race in getrusage / try_to_unmap_one (2) mm 6 46d 76d
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (7) mm fs 4 4d14h 78d
INFO: rcu detected stall in clone (7) mm 43 40d 83d
KASAN: slab-use-after-free Read in __mm_populate mm 1 93d 89d
UBSAN: shift-out-of-bounds in shmem_undo_range mm bcachefs syz 1 97d 93d
general protection fault in xas_create mm bcachefs syz 2 44d 93d
WARNING: bad unlock balance in __mm_populate xfs mm C 52 92d 107d 💬 12 [94d]
KASAN: global-out-of-bounds Read in get_mem_cgroup_from_mm cgroups mm C 2 44d 108d
WARNING in get_dump_page ext4 mm C done error 5 98d 112d
BUG: unable to handle kernel paging request in shmem_undo_range mm syz 3 83d 121d
KASAN: slab-out-of-bounds Read in folio_try_get bcachefs mm C 3 103d 123d 💬 2 [123d]
INFO: task hung in rmap_walk_file mm C error 19 1d23h 131d
UBSAN: shift-out-of-bounds in xas_reload bcachefs mm C 4 117d 131d 💬 2 [123d]
KASAN: slab-use-after-free Read in list_lru_del mm syz done 13 18d 131d
UBSAN: shift-out-of-bounds in xas_create bcachefs mm C 5 99d 133d 💬 2 [123d]
INFO: rcu detected stall in sys_mkdir (9) mm ext4 syz done 2 6d10h 144d
kernel BUG in alloc_hugetlb_folio_reserve mm C done 95 7d11h 165d PATCH [6h20m]
INFO: rcu detected stall in task_numa_work (2) bpf mm C error error 17 17d 165d
KASAN: slab-use-after-free Read in filemap_map_pages xfs mm C inconclusive 8 20d 168d 💬 1 [168d]
possible deadlock in move_pages (2) mm C done 508 155d 178d
INFO: task hung in hugetlbfs_zero_partial_page mm fs syz done 3 28d 179d
INFO: rcu detected stall in sys_mkdirat (2) mm 43 43d 183d
BUG: unable to handle kernel NULL pointer dereference in deactivate_slab (2) mm 9 36d 187d
WARNING in __folio_rmap_sanity_checks (2) xfs mm C inconclusive 12 27d 189d 💬 26 [23d]
BUG: unable to handle kernel paging request in memcg_rstat_updated cgroups mm 6 76d 191d
INFO: rcu detected stall in mas_preallocate (2) mm syz done 6 27d 191d 💬 6 [100d]
INFO: rcu detected stall in sys_umount (3) mm syz done 38 3d21h 192d
possible deadlock in balance_pgdat (2) scsi mm C 4 161d 195d 💬 1 [152d]
INFO: rcu detected stall in sys_symlinkat (5) mm tomoyo syz error 58 8d09h 196d
INFO: rcu detected stall in sys_sendmmsg (7) tipc mm 74 8d19h 199d
KASAN: slab-use-after-free Read in folio_evictable (3) mm C 35 12d 204d 💬 7 [134d]
INFO: rcu detected stall in sys_mmap (3) mm C error 22 27d 204d
INFO: rcu detected stall in sys_setsockopt (4) mm C done inconclusive 26 22d 205d
BUG: corrupted list in list_lru_add mm syz 9 4d05h 208d
INFO: rcu detected stall in security_file_ioctl (9) mm 72 2d09h 208d
BUG: Bad page state in iomap_write_begin xfs mm C 239 1d17h 210d 💬 4 [86d]
kernel BUG in resv_map_release (3) mm C 12 2d07h 218d 💬 1 [218d]
INFO: rcu detected stall in sys_pipe2 (2) mm syz done 94 5d20h 219d
KCSAN: data-race in folios_put_refs / need_mlock_drain (2) mm 19 10d 226d
WARNING: locking bug in __set_page_owner mm C error inconclusive 179425 135d 226d 💬 2 [133d]
INFO: rcu detected stall in brk (2) mm syz 2 167d 229d 💬 8 [229d]
INFO: rcu detected stall in kthreadd (2) mm C unreliable 73 11d 231d
WARNING in get_taint (2) mm C 363 204d 235d
INFO: rcu detected stall in sys_readlink (5) mm fs syz done 30 26d 243d
INFO: rcu detected stall in seq_read_iter (2) mm C inconclusive error 8 115d 244d 💬 1 [244d]
WARNING: ODEBUG bug in __folio_put (2) usb mm syz 27 65d 245d
INFO: rcu detected stall in vma_link_file mm input usb syz 1 250d 246d 💬 6 [245d]
INFO: rcu detected stall in sys_mprotect (8) mm syz done 72 4d23h 250d
KMSAN: uninit-value in swap_writepage mm syz 25 90d 251d 💬 2 [129d]
WARNING in vms_complete_munmap_vmas mm C 2396 7d04h 252d 💬 1 [5d00h]
WARNING in page_counter_cancel (5) mm C 15 33d 256d 💬 1 [255d]
INFO: rcu detected stall in kjournald2 (2) mm C error error 71 5d15h 258d
INFO: rcu detected stall in vhci_release mm syz done done 12 45d 263d
INFO: rcu detected stall in shmem_fault (6) mm C 115 2d14h 271d PATCH [254d]
BUG: corrupted list in do_compact_page mm syz 46 83d 273d 💬 1 [258d]
INFO: rcu detected stall in sys_execve (6) mm syz done 50 13d 274d
INFO: rcu detected stall in x64_sys_call mm syz error 306 19h13m 281d
BUG: corrupted list in add_to_unbuddied mm syz 43 88d 282d 💬 4 [243d]
KMSAN: uninit-value in sw842_compress mm C 65 56d 283d 💬 3 [216d]
INFO: task hung in hugetlb_fault mm C done 65 4h51m 284d 💬 2 [249d]
kernel BUG in z3fold_page_migrate mm syz 354 82d 287d
INFO: task hung in page_cache_ra_unbounded (2) fs mm C done 3640 19d 289d 💬 1 [5d00h]
INFO: task hung in hugetlb_wp mm C done inconclusive 94 114d 306d
INFO: rcu detected stall in kcov_close mm 115 1d00h 310d
kernel panic: System is deadlocked on memory (2) mm 39 7d11h 310d
INFO: rcu detected stall in vm_mmap_pgoff mm 88 43d 311d PATCH [254d]
INFO: task hung in filemap_fault (6) mm 192 54d 343d
BUG: unable to handle kernel paging request in free_unref_page mm syz 2 159d 382d
possible deadlock in __mmap_lock_do_trace_acquire_returned (2) mm C error inconclusive 621 324d 387d
WARNING in shmem_evict_inode (3) mm 40 5d12h 389d
INFO: rcu detected stall in sys_sendto (7) mm C error 269 8d13h 392d
INFO: task hung in __lru_add_drain_all (2) mm syz error 272 58d 396d
BUG: Bad rss-counter state (5) bcachefs mm C done 2363 2d01h 401d 💬 3 [5d00h]
INFO: rcu detected stall in validate_mm (3) mm C error 35 13d 402d 💬 5 [344d]
possible deadlock in gup_fast_fallback ntfs3 mm C done 2317 1h14m 423d 💬 1 [5d00h]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm C error inconclusive 498 333d 440d 💬 2 [319d]
INFO: rcu detected stall in sys_clone (8) mm bpf C error 266 1d05h 446d 💬 10 [55d]
INFO: rcu detected stall in asm_exc_page_fault mm syz error error 4 76d 465d 💬 3 [320d]
WARNING in kunmap_local_indexed mm C 1851 2h29m 477d
INFO: rcu detected stall in sys_syslog (2) mm C error 39 2d07h 483d
BUG: soft lockup in pipe_read fs mm syz 5 133d 510d
INFO: task hung in _vm_unmap_aliases (3) mm C 562 1d12h 525d
INFO: rcu detected stall in dput (8) mm C done 379 10h38m 534d
INFO: rcu detected stall in sys_socket (10) mm C done 123 3d13h 565d 💬 6 [561d]
BUG: spinlock recursion in try_to_wake_up mm crypto C 9 300d 582d
INFO: rcu detected stall in sys_unshare (9) mm C inconclusive done 43 6d07h 585d 💬 1 [98d]
INFO: rcu detected stall in worker_thread (9) netfilter mm C done 3702 1h48m 619d PATCH [613d]
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm C 138 342d 622d
KASAN: slab-out-of-bounds Read in generic_perform_write hfs mm C inconclusive done 10473 76d 633d PATCH [348d]
kernel BUG in filemap_unaccount_folio mm C done error 383 4h52m 650d 💬 4 [195d]
INFO: rcu detected stall in sys_openat (3) mm C error 410 9d21h 654d
INFO: rcu detected stall in sys_unlink (3) mm C error 186 3d10h 674d
KCSAN: data-race in generic_fillattr / shmem_mknod (2) mm syz 760 211d 786d 💬 21 [226d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 573 31m 786d 💬 6 [5d00h]
possible deadlock in filemap_fault mm C done 2825 1d06h 957d 💬 4 [5d00h]
INFO: rcu detected stall in sys_newfstatat (4) mm C error 425 4h08m 967d 💬 1 [309d]
memory leak in xas_create mm C 15 545d 1075d 💬 9 [581d]
WARNING in ext4_dirty_folio mm C inconclusive done 25819 5d07h 1179d 💬 2 [5d00h]
INFO: task hung in do_read_cache_folio block mm kasan C error error 179 725d 1227d 💬 3 [712d]
INFO: task can't die in wait_on_page_bit_common mm fs C done 5 1401d 1754d
KASAN: use-after-free Read in corrupted (4) mm C done error 14 119d 1772d 💬 2 [1112d]
INFO: task hung in do_read_cache_page (3) fs mm C done inconclusive 88 1071d 1969d 💬 2 [1863d]
moderation (52):
Title Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __mmput / copy_mm mm 1 14h07m 14h07m
KCSAN: data-race in copy_mm / dup_mmap mm 1 3d04h 3d04h
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic mm 1 6d19h 6d19h
kernel panic: stack is corrupted in shmem_undo_range mm 1 14d 10d
KCSAN: data-race in __xa_clear_mark / file_write_and_wait_range (3) mm fs 1 20d 20d
general protection fault in asm_sysvec_reschedule_ipi fs mm 1 24d 20d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (7) fs mm 3 12d 24d
KCSAN: data-race in filemap_write_and_wait_range / xas_clear_mark (2) fs mm 3 4d06h 27d
KCSAN: data-race in getrusage / try_to_migrate_one (2) mm 1 28d 28d
KCSAN: data-race in try_to_unmap_one / try_to_unmap_one (3) mm 1 38d 38d
KCSAN: data-race in copy_mm / try_to_unmap_one mm 1 38d 38d
KMSAN: uninit-value in __folio_cancel_dirty fs mm 1 45d 41d
KCSAN: data-race in mlock_folio / need_mlock_drain (7) mm 3 2d18h 45d
BUG: soft lockup in dev_ioctl (2) bpf trace mm 3 3d06h 46d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (3) fs mm 2 44d 49d
KCSAN: data-race in mas_replace_node / mas_state_walk (2) mm 12 2d09h 50d
general protection fault in lru_gen_test_recent mm 2 38d 50d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 25 2d08h 52d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 54 15h31m 53d
KCSAN: data-race in call_rcu / mas_state_walk (2) mm 62 1d06h 54d
possible deadlock in page_cache_ra_unbounded (2) mm fs 2 26d 61d
kernel BUG in folio_clear_dirty_for_io fs mm 2 68d 64d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 3 25d 64d
KCSAN: data-race in exec_mmap / vms_clear_ptes (3) mm 3 18d 65d
general protection fault in workingset_refault (2) mm 1 75d 71d
KCSAN: data-race in __xa_set_mark / filemap_write_and_wait_range mm fs 3 28d 77d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 16 1d13h 79d
KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range (4) mm iomap 23 3d20h 81d
KCSAN: data-race in file_write_and_wait_range / xas_clear_mark (2) fs mm 2 40d 86d
KCSAN: data-race in xas_find_marked / xas_init_marks (5) mm 5 20d 90d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (2) fs mm 89 17m 133d
KCSAN: data-race in munlock_folio / need_mlock_drain (6) mm 7 45d 143d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 61 3d17h 208d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 244 4h12m 210d
KCSAN: data-race in fill_mg_cmtime / shmem_unlink mm 63 1d10h 210d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 464 18m 211d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 50 9h20m 244d
KCSAN: data-race in __delete_from_swap_cache / folio_mapping (5) mm 39 6d08h 247d
KCSAN: data-race in getrusage / vms_clear_ptes mm 150 18h31m 268d 💬 1 [95d]
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 108 8d04h 347d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 97 3d16h 348d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 79 11d 350d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) fs mm 501 12h56m 407d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 65 35d 433d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 128 44m 436d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 114 5d08h 556d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read mm 1513 24m 557d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 1360 3h51m 1281d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 4655 55m 1452d
KCSAN: data-race in __xa_set_mark / xas_find_marked mm fs 1523 9d03h 1727d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 4071 24d 2016d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 2032 3h25m 2022d