syzbot

 sign-in | mailing list | source | docs | 🏰
🐞 Open [1345]
≡ Subsystems
🐞 Fixed [7064]
🐞 Invalid [18549]
⬇ Missing Backports [222]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
✨ AI
💬 Send us feedback

Instances [tested repos]:
Name Last active Uptime Corpus Coverage 🛈 Crashes Execs Kernel build syzkaller build Bugs
Commit Config Freshness Status Commit Freshness Status All Only
ci2-upstream-kcsan-gce now 5h15m 56059 485771 595 2577805 4ee64205ffaa .config 7h49m 0b6ab7ec 9h34m all only
Applied filters: Manager=ci2-upstream-kcsan-gce (drop)
open (19) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in bpf_obj_memcpy / bpf_obj_memcpy bpf 6 1 1d13h 1d09h 💬 1 [1d05h]
KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) mm 6 7 14h41m 4d14h 💬 4 [1d03h]
KCSAN: data-race in serial8250_do_startup / serial8250_modem_status (4) serial 6 1 10d 8d10h
KCSAN: data-race in event_sched_out / perf_mmap_rb perf 6 1 11d 8d10h
KCSAN: data-race in _copy_from_iter / bcm_can_tx can 6 1 17d 15d
KCSAN: data-race in hash_ipportnet6_add / hash_ipportnet6_head netfilter 6 1 35d 18d PATCH [6d12h]
KCSAN: data-race in copy_mm / percpu_counter_add_batch net race:benign 6 1 21d 21d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (11) virt race:harmful 6 1 25d 21d 💬 5 [8d04h]
KCSAN: data-race in hash_ip4_add / hash_ip4_head netfilter 6 1 27d 27d PATCH [6d12h]
KCSAN: data-race in wg_expired_retransmit_handshake / wg_packet_send_queued_handshake_initiation (4) wireguard 6 1 46d 33d
KCSAN: data-race in hash_ipport6_add / hash_ipport6_head netfilter 6 1 47d 33d PATCH [6d12h]
KCSAN: data-race in pfifo_fast_dequeue / pfifo_fast_enqueue (6) net 6 4 20d 40d 💬 1 [40d]
KCSAN: data-race in fat12_ent_put / fat_mirror_bhs exfat 6 59 11d 74d 💬 3 [6d10h]
KCSAN: data-race in __perf_event_overflow / __perf_event_set_bpf_prog race:harmful perf 6 13 23d 84d PATCH [56d]
KCSAN: data-race in copy_mm / percpu_counter_destroy_many kernel 6 46 7d22h 344d 💬 2 [344d]
KCSAN: data-race in kick_pool / wq_worker_running kernel 6 1262 16h28m 508d 💬 1 [507d]
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (5) virt 6 102 2d16h 546d 💬 1 [91d]
KCSAN: data-race in block_uevent / inc_diskseq (2) race:harmful block 6 162 6d19h 671d 💬 2 [81d]
KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) mm 6 975 43m 1093d PATCH [29d]
moderation (183) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in ktime_get_coarse_ts64 / timekeeping_update_from_shadow kernel 6 1 1h00m 59m
KCSAN: data-race in print_cpu / tick_nohz_idle_enter (12) kernel 6 1 3h35m 3h34m
KCSAN: data-race in ktime_get_coarse_real_ts64_mg / timekeeping_update_from_shadow kernel 6 1 12h08m 12h08m
KCSAN: data-race in _copy_to_iter / fat32_ent_put (6) exfat 6 1 14h17m 14h17m
KCSAN: data-race in pipe_poll / pipe_release (13) fs 6 1 2d04h 2d04h
KCSAN: data-race in wg_socket_set_peer_endpoint / wg_socket_set_peer_endpoint (6) wireguard 6 1 8d07h 4d07h
KCSAN: data-race in mas_walk / mas_wmb_replace (2) mm 6 4 2h04m 4d11h
KCSAN: data-race in ktime_get_real_ts64_mg / timekeeping_update_from_shadow kernel 6 1 5d04h 5d04h
KCSAN: data-race in _copy_to_iter / fat12_ent_put (8) exfat 6 1 5d04h 5d04h
KCSAN: data-race in mas_wmb_replace / mtree_range_walk (2) mm 6 4 1d21h 5d16h
KCSAN: data-race in copy_folio_from_iter_atomic / fat12_ent_put (4) exfat 6 1 6d02h 6d02h
KCSAN: data-race in __d_instantiate / path_openat (3) fs 6 1 7d01h 7d01h
KCSAN: data-race in serial8250_do_startup / serial8250_handle_irq_locked serial 6 1 14d 14d
KCSAN: data-race in pipe_release / pipe_wait_writable (5) fs 6 1 15d 15d
KCSAN: data-race in fprop_reflect_period_percpu / fprop_reflect_period_percpu (9) mm fs 6 2 7d13h 16d
KCSAN: data-race in hrtimer_reprogram / print_cpu (15) kernel 6 1 17d 17d
KCSAN: data-race in __follow_mount_rcu / do_new_mount fs 6 1 17d 17d
KCSAN: data-race in inode_update_time / inode_update_time fs 6 1 18d 18d
KCSAN: data-race in detach_pid / perf_event_switch_output (5) perf 6 1 20d 20d
KCSAN: data-race in memcpy_and_pad / string ext4 race:benign 6 2 10d 22d
upstream test error: KCSAN: data-race in d_delete / lookup_fast fs -1 1 24d 24d
KCSAN: data-race in n_tty_poll / tty_set_termios (10) serial 6 1 24d 24d
KCSAN: data-race in memcpy_and_pad / zap_other_threads (3) kernel race:benign 6 1 25d 25d
KCSAN: data-race in __perf_event_read_value / event_sched_in (2) perf 6 1 26d 26d
KCSAN: data-race in __d_lookup / __d_rehash (11) fs 6 1 26d 26d
KCSAN: data-race in serial8250_tx_chars / stop_tty serial 6 1 27d 27d
KCSAN: data-race in page_pool_put_unrefed_netmem / page_pool_release (3) net 6 1 31d 27d
KCSAN: data-race in ipvlan_open / is_upper_ndev_bond_master_filter (10) net 6 1 32d 28d
KCSAN: data-race in fsnotify_destroy_mark / inotify_handle_inode_event (9) fs 6 2 16d 29d
KCSAN: data-race in memcpy_and_pad / set_task_ioprio block 6 1 30d 30d
KCSAN: data-race in copy_process / memcpy_and_pad (3) mm 6 2 26d 30d
KCSAN: data-race in __stop_tty / __uart_start serial 6 1 31d 31d
KCSAN: data-race in memcpy_and_pad / perf_remove_from_owner perf 6 1 31d 31d
KCSAN: data-race in _copy_to_iter / vsnprintf ext4 6 1 32d 32d
KCSAN: data-race in __fat_write_inode / _copy_to_iter (3) exfat 6 1 32d 32d
KCSAN: data-race in _copy_to_iter / fat16_ent_put (8) exfat 6 1 34d 34d
KCSAN: data-race in __futex_wait / hrtimer_wakeup (3) kernel 6 1 34d 34d
KCSAN: data-race in __process_echoes / n_tty_write (15) serial 6 1 35d 35d
KCSAN: data-race in __wb_update_bandwidth / percpu_counter_add_batch (11) fs mm 6 1 35d 35d
KCSAN: data-race in filemap_write_and_wait_range / xas_set_mark (4) fs mm 6 1 40d 40d
KCSAN: data-race in __stop_tty / pty_write_room (12) serial 6 2 29d 43d
KCSAN: data-race in fsnotify / fsnotify_detach_mark (10) fs 6 1 45d 45d
KCSAN: data-race in __dentry_kill / path_lookupat fs 6 1 46d 46d
KCSAN: data-race in smc_poll / smc_switch_to_fallback (3) smc 6 2 48d 47d
KCSAN: data-race in ktime_get / timekeeping_update_from_shadow kernel 6 6 3d13h 47d
KCSAN: data-race in data_push_tail / number (6) kernel 6 3 5d01h 47d
upstream test error: KCSAN: data-race in __xa_clear_mark / xas_find_marked (5) mm fs -1 3 28d 48d
KCSAN: data-race in __d_lookup / shrink_dentry_list fs 6 1 48d 48d
KCSAN: data-race in mark_buffer_dirty_inode / sync_mapping_buffers (12) exfat 6 1 49d 49d
KCSAN: data-race in __uart_start / stop_tty serial 6 1 50d 50d
KCSAN: data-race in pipe_lock / pipe_release (17) fs 6 3 13d 52d
KCSAN: data-race in link_path_walk / shrink_dentry_list (12) fs 6 1 53d 53d
KCSAN: data-race in filemap_read / filemap_splice_read (3) fs 6 1 54d 54d PATCH [54d]
KCSAN: data-race in __filemap_add_folio / sync_bdevs (3) ext4 6 2 15d 57d
KCSAN: data-race in generic_fillattr / inode_set_ctime_current (3) fs 6 2 45d 58d
KCSAN: data-race in lookup_fast / shrink_dentry_list (13) fs 6 2 54d 61d
KCSAN: data-race in __stop_tty / n_tty_receive_char (10) serial 6 2 12d 62d
KCSAN: data-race in batadv_bla_tx / batadv_bla_tx (6) race:benign batman 6 3 9d17h 62d
KCSAN: data-race in __filemap_add_folio / invalidate_bdev (11) mm fs 6 2 31d 62d
KCSAN: data-race in batadv_tt_local_add / batadv_tt_local_commit_changes_nolock (5) batman 6 2 26d 64d
KCSAN: data-race in wg_packet_handshake_receive_worker / wg_packet_rx_poll (12) wireguard 6 14 3d07h 68d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 exfat 6 3 21d 68d
KCSAN: data-race in atime_needs_update / inode_update_time ext4 6 8 17d 70d
KCSAN: data-race in hrtimer_interrupt / print_tickdevice (16) kernel 6 3 26d 71d
KCSAN: data-race in fat32_ent_put / fat_mirror_bhs (3) exfat 6 4 13d 72d
KCSAN: data-race in _copy_to_iter / string (5) ext4 6 2 55d 72d
KCSAN: data-race in __dentry_kill / shrink_dentry_list (7) fs 6 2 50d 75d
KCSAN: data-race in __dentry_kill / __dentry_kill (7) fs 6 7 26d 78d
KCSAN: data-race in __dentry_kill / step_into_slowpath fs 6 5 10d 78d
KCSAN: data-race in n_tty_lookahead_flow_ctrl / tty_set_termios (5) serial 6 57 15h50m 79d
KCSAN: data-race in drop_nlink / vfs_coredump fs 6 2 35d 85d
KCSAN: data-race in fill_mg_cmtime / inode_set_ctime_current (2) fs 6 3 17d 85d
KCSAN: data-race in __d_drop / fast_dput (3) fs 6 105 2d00h 85d
KCSAN: data-race in __dentry_kill / lookup_fast (15) race:benign fs 6 12 5d06h 86d
KCSAN: data-race in evdev_pass_values / evdev_read (13) input 6 2 55d 89d PATCH [54d]
KCSAN: data-race in n_tty_receive_buf_common / n_tty_write (9) serial 6 5 40d 90d
KCSAN: data-race in css_set_move_task / memcpy_and_pad (2) cgroups 6 6 19d 91d
KCSAN: data-race in rwsem_down_write_slowpath / rwsem_down_write_slowpath kernfs 6 45 1d16h 92d
KCSAN: data-race in __d_instantiate / lookup_fast (12) fs 6 4 55d 92d
KCSAN: data-race in copy_mm / lru_gen_del_mm mm 6 4 46d 93d
KCSAN: data-race in shmem_fallocate / shmem_writeout mm 6 55 18h16m 94d
KCSAN: data-race in n_tty_flush_buffer / n_tty_poll (2) serial 6 2 52d 95d
KCSAN: data-race in _copy_to_iter / copy_folio_from_iter_atomic (3) mm 6 2 50d 95d
KCSAN: data-race in page_pool_put_unrefed_netmem / page_pool_refill_alloc_cache net 6 325 11d 106d
KCSAN: data-race in __dentry_kill / d_make_discardable fs 6 21 27d 107d
KCSAN: data-race in bq_flush_to_queue / cpu_map_kthread_run (2) bpf net 6 463 6d17h 108d
KCSAN: data-race in __mod_timer / __mod_timer (11) wireguard 6 295 8d07h 109d
KCSAN: data-race in _copy_to_iter / fat_mirror_bhs (3) exfat block 6 7 9d13h 115d
KCSAN: data-race in __stop_tty / pty_write (16) serial 6 3 33d 115d
KCSAN: data-race in __kernel_write_iter / set_task_ioprio (3) block 6 4 6d12h 116d
KCSAN: data-race in copy_mm / vma_complete (3) mm 6 4 55d 117d
KCSAN: data-race in _copy_to_iter / memcpy_and_pad (3) block 6 6 3d02h 126d
KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv (5) can 6 15 1h40m 127d
KCSAN: data-race in can_rcv_filter / can_rcv_filter (14) can 6 23 41d 127d
KCSAN: data-race in do_sync_mmap_readahead / do_sync_mmap_readahead (10) mm 6 5 52d 128d
KCSAN: data-race in d_delete / path_lookupat fs 6 26 3d06h 132d
KCSAN: data-race in d_make_discardable / lookup_fast fs 6 72 1d09h 134d
KCSAN: data-race in fill_mg_cmtime / simple_unlink fs 6 50 23h13m 134d
KCSAN: data-race in d_make_discardable / step_into_slowpath fs 6 125 3h13m 134d
KCSAN: data-race in d_make_discardable / path_lookupat fs 6 76 17h45m 135d
KCSAN: data-race in drop_nlink / generic_fillattr (10) fs 6 11 8d23h 136d
KCSAN: data-race in d_make_discardable / do_readlinkat fs 6 74 7h09m 136d
KCSAN: data-race in d_delete / step_into_slowpath fs 6 62 1d04h 138d
KCSAN: data-race in __follow_mount_rcu / d_set_mounted fs 6 6 41d 139d
KCSAN: data-race in dont_mount / step_into_slowpath fs 6 37 20d 140d
KCSAN: data-race in dont_mount / path_lookupat fs 6 15 13d 140d
KCSAN: data-race in dentry_unlink_inode / step_into_slowpath fs 6 271 6h12m 140d
KCSAN: data-race in copy_creds / prepare_creds (2) lsm 6 8 26d 141d
KCSAN: data-race in _copy_to_iter / fat_set_state (13) exfat 6 12 6d14h 160d
KCSAN: data-race in copy_mm / copy_page_range (3) mm 6 8 3d16h 165d
KCSAN: data-race in __fat_write_inode / copy_folio_from_iter_atomic (2) exfat 6 12 13d 201d
KCSAN: data-race in __percpu_counter_init_many / copy_mm (2) mm 6 23 10d 219d
KCSAN: data-race in __set_task_comm / strlen fs mm 6 9 54d 223d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm 6 19 4d02h 228d
KCSAN: data-race in evdev_pass_values / evdev_poll (12) input 6 9 14d 237d
KCSAN: data-race in init_file / prepare_creds (2) fs 6 25 7d16h 268d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) mm 6 28 5d07h 272d
KCSAN: data-race in fifo_open / wait_for_partner (6) fs 6 240 17h56m 280d
KCSAN: data-race in audit_log_start / audit_receive (3) audit 6 21 21d 282d
KCSAN: data-race in bdev_statx / queue_limits_commit_update (2) block 6 29 4d18h 290d
KCSAN: data-race in filemap_read / filemap_read (6) fs 6 529 1d16h 310d
KCSAN: data-race in memcpy_and_pad / release_task kernel 6 162 7h08m 318d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 mm 6 140 16d 321d
KCSAN: data-race in copy_folio_from_iter_atomic / fat16_ent_put exfat 6 113 3d10h 321d
KCSAN: data-race in fsnotify_detach_mark / fsnotify_handle_inode_event (4) fs 6 33 24d 327d
KCSAN: data-race in blkdev_open / queue_limits_commit_update block 6 62 11h34m 352d
KCSAN: data-race in mas_state_walk / mas_wr_store_entry mm 6 131 6d17h 359d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 6 282 23h17m 360d
KCSAN: data-race in _prb_read_valid / data_alloc x25 ext4 6 433 47m 361d
KCSAN: data-race in mas_state_walk / mas_wmb_replace (3) mm 6 414 6d03h 361d
KCSAN: data-race in fat16_ent_put / fat_mirror_bhs exfat 6 721 4h42m 361d
KCSAN: data-race in __anon_vma_prepare / handle_mm_fault (5) mm 6 16 55d 372d
KCSAN: data-race in avc_policy_seqno / avc_ss_reset (3) selinux 6 51 16d 383d PATCH [78d]
KCSAN: data-race in _copy_from_iter / _copy_from_iter (5) mm 6 145 21d 386d
KCSAN: data-race in __d_rehash / fast_dput (4) fs 6 41 1d04h 402d
KCSAN: data-race in free_pid / zap_pid_ns_processes (7) kernel 6 45 10d 409d PATCH [358d]
KCSAN: data-race in data_push_tail / vsnprintf (9) block 6 217 6d07h 424d
KCSAN: data-race in copy_process / free_pid (14) kernel 6 272 3h01m 472d PATCH [358d]
KCSAN: data-race in fill_mg_cmtime / shmem_symlink mm 6 147 3d03h 515d
KCSAN: data-race in fill_mg_cmtime / shmem_mknod mm 6 523 7h11m 517d
KCSAN: data-race in file_write_and_wait_range / xas_set_mark (2) fs mm 6 921 17d 518d
KCSAN: data-race in shmem_fallocate / shmem_fault (9) mm 6 114 2d00h 551d
KCSAN: data-race in fsnotify_detach_mark / inotify_handle_inode_event (2) fs 6 72 5d22h 555d
KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages (12) block 6 43 8d02h 556d
KCSAN: data-race in generic_fillattr / touch_atime (4) fs 6 65 1d14h 563d
KCSAN: data-race in console_flush_all / console_flush_all isofs 6 93 6d19h 574d
KCSAN: data-race in data_alloc / data_push_tail (3) audit 6 65 13d 590d
KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64 (2) kernel 6 650 2h13m 599d
KCSAN: data-race in generic_fillattr / inode_add_bytes fs 6 180 16h42m 650d
KCSAN: data-race in shmem_add_to_page_cache / shmem_getattr (5) mm 6 197 14h06m 655d
KCSAN: data-race in shmem_getattr / shmem_recalc_inode mm 6 199 3d00h 655d
KCSAN: data-race in __filemap_remove_folio / nr_blockdev_pages (5) mm 6 144 1d15h 657d
KCSAN: data-race in d_delete / lookup_fast (7) fs 6 146 17h50m 659d
KCSAN: data-race in fasync_remove_entry / sock_wake_async (12) fs 6 48 21d 672d
KCSAN: data-race in touch_atime / touch_atime (3) fs 6 681 16h53m 694d
KCSAN: data-race in __writeback_single_inode / xas_set_mark (6) mm fs 6 853 19d 714d
KCSAN: data-race in mlock_new_folio / need_mlock_drain (3) mm 6 89 14d 740d
KCSAN: data-race in __lru_add_drain_all / folios_put_refs mm 6 200 9d09h 744d
KCSAN: data-race in atime_needs_update / touch_atime (2) fs 6 615 1d15h 809d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) mm 6 168 11d 863d
KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read race:benign mm 6 2576 1d17h 864d
KCSAN: data-race in atime_needs_update / inode_set_ctime_current fs 6 494 11h44m 864d
KCSAN: data-race in hrtimer_interrupt / print_cpu (5) kernel 6 302 13d 865d
KCSAN: data-race in set_nlink / set_nlink kernfs 6 1079 1h38m 865d
KCSAN: data-race in dont_mount / lookup_fast exfat 6 syz 979 5d13h 865d
KCSAN: data-race in __fsnotify_parent / fsnotify_detach_connector_from_object (3) exfat 6 syz 978 726d 865d
KCSAN: data-race in delete_from_page_cache_batch / folio_mapping (2) block 6 168 16h08m 866d
KCSAN: data-race in filemap_splice_read / filemap_splice_read fs 6 1527 2d23h 866d
KCSAN: data-race in wq_worker_tick / wq_worker_tick kernel 6 629 1d13h 866d
KCSAN: data-race in dont_mount / step_into isofs 6 syz 1968 142d 1445d
KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range mm 6 960 1d13h 1566d
KCSAN: data-race in __lru_add_drain_all / folio_add_lru mm 6 1842 4h48m 1589d
KCSAN: data-race in data_push_tail / string audit 6 484 2d06h 1734d
KCSAN: data-race in __xa_clear_mark / xas_find_marked (2) mm fs 6 5246 4h47m 1760d
KCSAN: data-race in data_alloc / prb_reserve net 6 1250 12h10m 1853d
KCSAN: data-race in _prb_read_valid / prb_reserve ext4 6 3868 2d01h 1989d
KCSAN: data-race in __xa_set_mark / xas_find_marked fs mm 6 1653 4d22h 2034d
KCSAN: data-race in exit_mm / mm_update_next_owner kernel 6 syz 3548 639d 2117d
KCSAN: data-race in alloc_pid / copy_process (2) kernel 6 3470 7h17m 2142d PATCH [358d]
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 360d 2269d
KCSAN: data-race in xas_clear_mark / xas_find_marked (2) mm fs 6 4135 2d12h 2324d
KCSAN: data-race in xas_find_marked / xas_set_mark fs mm 6 2530 2d18h 2329d
corrupted report (2) mm block -1 1100568 now 2932d