syzbot

 sign-in | mailing list | source | docs
🐞 Open [1452]
≡ Subsystems
🐞 Fixed [6873]
🐞 Invalid [17845]
⬇ Missing Backports [225]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:mm (drop)
open (118) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
WARNING in unlink_anon_vmas (2) mm -1 C 5 3d17h 2d21h PATCH [2d16h]
WARNING in memcg1_swapout cgroups mm -1 C error 24 6d23h 3d19h 💬 5 [7h29m]
KASAN: slab-use-after-free Read in lookup_object_or_alloc (3) mm 19 9 12d 5d08h PATCH [1d08h]
KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare mm race:harmful 6 3 42d 6d12h 💬 9 [5d13h]
WARNING in xfs_buf_alloc mm -1 1 16d 12d
INFO: rcu detected stall in __mmap_complete mm 1 syz error 6 17d 16d
possible deadlock in flush_end_io fs mm 4 330 12h13m 22d
KMSAN: uninit-value in __sigqueue_free cgroups mm 7 1 26d 22d
KMSAN: uninit-value in swap_writeout mm 7 5 20h28m 29d PATCH [14d]
INFO: rcu detected stall in sys_io_uring_enter (3) mm 1 38 2d19h 32d
INFO: rcu detected stall in sys_signalfd4 (2) mm cgroups 1 syz 1 35d 34d
INFO: rcu detected stall in finish_dput mm 1 C error 138 1d11h 37d
WARNING in shrink_lruvec mm -1 1 46d 42d PATCH [32d]
BUG: sleeping function called from invalid context in kvm_mmu_notifier_invalidate_range_start mm 5 2 44d 43d
general protection fault in lru_gen_test_recent (2) mm 2 C 10 12d 44d PATCH [9d17h]
WARNING in update_rq_clock mm sound -1 16 3d06h 46d
WARNING in sched_mm_cid_fork fs mm -1 C error 329 20h57m 48d PATCH [27d]
kernel BUG in qlist_free_all (3) mm -1 1 63d 59d
WARNING in __page_table_check_ptes_set (3) mm -1 3 49d 68d
general protection fault in __rt_mutex_slowlock_locked mm 2 5 14d 70d
WARNING in swap_cache_get_folio mm -1 6 70d 70d PATCH [44d]
possible deadlock in __hugetlb_zap_begin mm 4 1 76d 72d PATCH [71d]
INFO: rcu detected stall in rescuer_thread (2) net mm 1 syz error inconclusive 3 75d 74d
WARNING in lock_list_lru_of_memcg (2) mm -1 3 48d 76d 💬 2 [75d]
kernel BUG in filemap_fault (3) net mm -1 C error 13 1d09h 83d
INFO: rcu detected stall in sys_symlink (6) tomoyo fs mm 1 C error inconclusive 5 9d13h 85d
INFO: rcu detected stall in shmem_file_write_iter (3) mm 1 69 3d09h 91d
general protection fault in call_timer_fn (2) no-reminders mm 19 8 14d 98d
INFO: task hung in migrate_pages_batch (4) mm 1 73 23h18m 98d
possible deadlock in hugetlb_vma_lock_read mm 4 4 37d 103d
WARNING in path_noexec (2) mm fs -1 C error 14085 46m 112d PATCH [102d]
WARNING in ext4_mb_load_buddy_gfp ext4 mm -1 C 7 31d 127d PATCH [118d]
KMSAN: uninit-value in __run_timer_base (2) mm 8 8 20d 132d PATCH [129d]
INFO: rcu detected stall in sys_madvise (2) mm 1 39 12h19m 143d
INFO: task hung in writeback_iter (3) fs mm 1 C error 14 7d03h 145d PATCH [2h05m]
WARNING in __alloc_skb (4) mm -1 C 7 30d 146d PATCH [122d]
INFO: rcu detected stall in sys_mount (8) mm 1 C error 26 3d19h 146d 💬 1 [146d]
BUG: soft lockup in dev_ioctl (2) mm 1 6 82d 151d
INFO: rcu detected stall in sys_munmap (2) mm 1 C error 41 7d15h 152d 💬 7 [32d]
WARNING in alloc_frozen_pages_noprof mm -1 C 390 37d 161d 💬 3 [158d]
KASAN: slab-use-after-free Read in lru_add (2) mm 19 C error 10 7d20h 169d
WARNING in trace_suspend_resume mm -1 C 2197 14h36m 173d 💬 1 [1d20h]
INFO: rcu detected stall in devtmpfsd (3) mm 1 C error inconclusive 4 21h46m 184d 💬 2 [183d]
INFO: rcu detected stall in wb_workfn (4) mm 1 C error 54 3h03m 193d 💬 1 [53d]
INFO: rcu detected stall in linkwatch_event (5) net mm 1 syz error 3 21d 209d
INFO: rcu detected stall in exit_to_user_mode_loop mm 1 C error 355 23h55m 213d 💬 1 [176d]
INFO: rcu detected stall in vm_area_alloc (6) mm 1 syz error 8 16d 235d
INFO: rcu detected stall in vms_gather_munmap_vmas mm 1 syz error 54 7d04h 251d
INFO: rcu detected stall in ext4_end_io_rsv_work (3) mm ext4 1 C error 3 16d 253d
INFO: rcu detected stall in wg_packet_handshake_receive_worker (3) mm 1 syz error 12 4d23h 261d
INFO: rcu detected stall in nsim_fib_event_work mm 1 C error 7 10d 264d
INFO: task hung in exit_mmap (2) mm 1 C done error 59 8d00h 270d
kernel BUG in __filemap_add_folio fs mm -1 C done 1557 2h33m 271d PATCH [34d]
BUG: soft lockup in sys_bpf mm 1 C error 109 1d12h 272d
INFO: task hung in page_cache_ra_order fs mm 1 C done 81 3d15h 273d 💬 1 [272d]
INFO: rcu detected stall in clone (7) mm 1 79 8h56m 300d
INFO: task hung in rmap_walk_file mm 1 C error 19 7d18h 347d
KASAN: slab-use-after-free Read in list_lru_del mm 19 C done done 27 53d 348d 💬 1 [21d]
INFO: rcu detected stall in sys_mkdir (9) mm 1 syz done 5 13d 361d
INFO: rcu detected stall in task_numa_work (2) bpf mm 1 C error error 21 76d 382d
INFO: task hung in hugetlbfs_zero_partial_page mm fs 1 syz done 3 5d20h 395d
WARNING in __folio_rmap_sanity_checks (2) xfs mm -1 C inconclusive 17 93d 406d 💬 26 [239d]
INFO: rcu detected stall in mas_preallocate (2) mm 1 syz done 9 25d 407d 💬 6 [317d]
INFO: rcu detected stall in sys_umount (3) mm 1 C done 50 10d 408d 💬 2 [155d]
possible deadlock in balance_pgdat (2) mm scsi 4 C 4 378d 412d 💬 1 [369d]
possible deadlock in lock_mm_and_find_vma (3) mm ntfs3 4 11 89d 412d
INFO: rcu detected stall in sys_symlinkat (5) tomoyo mm 1 syz error 83 2d08h 413d
KASAN: slab-use-after-free Read in folio_evictable (3) gfs2 mm 19 C 75 7d20h 421d 💬 7 [64d]
INFO: rcu detected stall in sys_mmap (3) mm 1 C error 50 4d03h 421d
INFO: rcu detected stall in sys_setsockopt (4) mm 1 C done inconclusive 60 2d12h 421d
BUG: corrupted list in list_lru_add gfs2 mm 19 C inconclusive 362 4h11m 424d PATCH [11d]
kernel BUG in resv_map_release (3) mm -1 C inconclusive 31 13d 434d 💬 1 [434d]
INFO: rcu detected stall in sys_pipe2 (2) mm 1 syz done done 110 57d 436d
INFO: rcu detected stall in brk (2) mm 1 syz 2 384d 446d 💬 8 [445d]
INFO: rcu detected stall in kthreadd (2) mm 1 C unreliable 106 11d 448d
INFO: rcu detected stall in sys_readlink (5) mm kernfs 1 syz done 43 5d12h 459d
INFO: rcu detected stall in seq_read_iter (2) mm 1 C inconclusive error 9 56d 461d 💬 1 [460d]
WARNING: ODEBUG bug in __folio_put (2) usb mm -1 syz 28 174d 462d
INFO: rcu detected stall in sys_mprotect (8) mm 1 syz done 96 13d 466d
INFO: rcu detected stall in kjournald2 (2) mm 1 C error error 78 4d18h 474d
INFO: rcu detected stall in vhci_release mm 1 syz done done 12 262d 479d
INFO: rcu detected stall in shmem_fault (6) mm 1 C 199 2d04h 488d PATCH [470d]
INFO: rcu detected stall in sys_execve (6) mm 1 C done 74 3d05h 490d
INFO: rcu detected stall in x64_sys_call mm 1 C error 490 1d20h 498d
BUG: corrupted list in add_to_unbuddied mm 8 syz 43 305d 499d 💬 4 [459d]
KMSAN: uninit-value in sw842_compress mm 7 C 101 3d01h 499d 💬 3 [89d]
kernel BUG in z3fold_page_migrate mm -1 syz 354 298d 504d
INFO: task hung in page_cache_ra_unbounded (2) fs mm 1 C done 3650 5d16h 506d 💬 1 [1d20h]
INFO: rcu detected stall in kcov_close mm 1 169 1d10h 526d
kernel panic: System is deadlocked on memory (2) mm 2 89 3d13h 526d
INFO: rcu detected stall in vm_mmap_pgoff mm 1 109 3d17h 527d PATCH [470d]
WARNING in drm_mode_create_lease_ioctl mm -1 C inconclusive 77 26d 573d PATCH [354d]
INFO: rcu detected stall in addrconf_rs_timer (6) netfilter x86 mm 1 syz error error 647 1d02h 598d
WARNING in shmem_evict_inode (3) mm -1 63 1d14h 606d
INFO: rcu detected stall in sendmsg (4) mm 1 C error 61 2d23h 606d
INFO: rcu detected stall in sys_sendto (7) mm 1 C error 340 4d18h 609d
INFO: rcu detected stall in validate_mm (3) mm 1 C error 38 26d 618d 💬 5 [560d]
inconsistent lock state in __mmap_lock_do_trace_acquire_returned mm 4 C error inconclusive 498 550d 657d 💬 2 [536d]
INFO: rcu detected stall in sys_clone (8) mm 1 C error 373 1d14h 663d 💬 10 [209d]
INFO: rcu detected stall in sys_syslog (2) mm 1 C error error 43 44d 700d
BUG: soft lockup in pipe_read mm fs 1 syz 5 349d 727d
INFO: task hung in _vm_unmap_aliases (3) mm 1 C 674 11h39m 742d
INFO: rcu detected stall in sys_recvmmsg (3) mm 1 226 3d20h 763d
INFO: rcu detected stall in sys_socket (10) mm 1 C done 188 2d08h 782d 💬 6 [778d]
BUG: spinlock recursion in try_to_wake_up mm crypto 4 C 9 517d 799d
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot mm 10 C 138 558d 839d PATCH [179d]
kernel BUG in filemap_unaccount_folio mm -1 C done error 486 11d 867d 💬 4 [96d]
INFO: rcu detected stall in sys_openat (3) mm 1 C error 526 4d13h 870d
INFO: rcu detected stall in sys_unlink (3) mm 1 C error 341 2d05h 891d
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 868 8h51m 1002d 💬 6 [1d20h]
possible deadlock in filemap_fault mm 4 C done 3014 5h29m 1174d 💬 4 [1d20h]
INFO: rcu detected stall in sys_newfstatat (4) mm 1 C error 509 6d16h 1184d 💬 1 [33d]
memory leak in xas_create mm 3 C 31 4d08h 1291d PATCH [57d]
WARNING in ext4_dirty_folio mm -1 C inconclusive done 25860 3d03h 1396d 💬 2 [1d20h]
INFO: task hung in do_read_cache_folio kasan mm block 1 C error error 179 942d 1443d 💬 3 [929d]
INFO: task can't die in wait_on_page_bit_common fs mm 1 C done 5 1618d 1971d
KASAN: use-after-free Read in corrupted (4) mm 19 C done error 14 335d 1988d 💬 2 [1329d]
INFO: task hung in do_read_cache_page (3) fs mm 1 C done inconclusive 88 1288d 2185d 💬 2 [2079d]
moderation (49) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 1 2d10h 2d10h
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 3 2h24m 3d12h
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 1 5d03h 5d03h
KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath (9) cgroups mm 6 1 11d 11d
KCSAN: data-race in begin_new_exec / cgroup_task_dead fs mm 6 1 12d 12d
KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) mm 19 3 20h23m 22d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (8) mm fs 6 2 21d 23d
KCSAN: data-race in __se_sys_mremap / vma_complete mm 6 2 12d 23d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 3 3d03h 26d
BUG: Bad page map (9) mm -1 1 35d 31d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 2 15d 38d
KCSAN: data-race in copy_process / memcpy_and_pad (2) mm 6 1 40d 40d
KCSAN: data-race in copy_fs / free_bprm (2) mm fs 6 1 43d 43d
KCSAN: data-race in folios_put_refs / need_mlock_drain (3) mm 6 4 10d 45d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (3) fs mm 6 4 36d 47d
KCSAN: data-race in filemap_read_folio / filemap_read_folio (3) mm 6 1 51d 51d
KCSAN: data-race in mlock_folio / need_mlock_drain (9) mm 6 3 2d06h 71d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 6 3d23h 74d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (4) mm fs -1 2 53d 101d
KCSAN: data-race in __writeback_single_inode / xas_clear_mark (8) mm fs 6 6 5d01h 116d
KCSAN: data-race in _copy_to_iter / _copy_to_iter mm 6 7 14d 122d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 14 1d02h 128d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 6 47d 133d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) mm ext4 6 14 23d 137d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm block 6 15 15d 181d
KCSAN: data-race in munlock_folio / need_mlock_drain (7) mm 6 5 42d 192d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (10) fs mm 6 12 6d16h 212d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 107 3d00h 269d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 289 7h51m 270d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 14 33d 281d
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 104 17h01m 295d
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 119 6d03h 425d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 415 8h11m 426d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 821 2h28m 428d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 101 1d16h 461d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 167 2d07h 564d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 169 1d15h 565d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 122 9d09h 566d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 785 8h16m 623d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 83 13d 650d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 187 3d15h 653d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2325 8h54m 774d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 942 3d13h 1475d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1688 1h55m 1498d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) fs mm 6 5038 8h52m 1669d
KCSAN: data-race in _prb_read_valid / prb_reserve mm 6 3813 8h04m 1898d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1623 18h36m 1943d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4115 3d01h 2233d
KCSAN: data-race in xas_find_marked / xas_set_mark mm fs 6 2432 4h42m 2239d