syzbot


Out of 114 bugs, 92 were automatically obsoleted (8 due to revoked reproducers), 22 were invalidated by users.
Applied filters: Label=subsystems:virt (drop)
Title Repro Cause bisect Fix bisect Count Last Reported
INFO: rcu detected stall in vsock_connect net virt 1 90d 90d
BUG: unable to handle kernel paging request in clear_page_erms (6) mm net virt 2 115d 185d
INFO: trying to register non-static key in stats_request virt 2 135d 134d
INFO: rcu detected stall in blk_mq_run_hw_queues block net virt 3 157d 259d
INFO: task hung in vhost_vsock_dev_release (2) kvm net virt 6 186d 264d
INFO: task hung in vhost_net_stop (2) kvm net virt 4 190d 265d
INFO: task hung in vhost_worker_killed kvm net virt 1 195d 195d
INFO: rcu detected stall in drain_vmap_area_work (2) net virt 2 238d 249d
INFO: rcu detected stall in vhost_task_fn (2) kvm net virt 3 242d 292d
INFO: rcu detected stall in update_balloon_stats_func (2) virt 1 246d 246d
INFO: rcu detected stall in __unwind_start net virt 2 252d 284d
INFO: rcu detected stall in vmstat_shepherd net virt 1 254d 254d
INFO: rcu detected stall in free_obj_work net virt 2 255d 266d
upstream test error: KMSAN: uninit-value in virtnet_poll net virt 1 281d 277d
INFO: rcu detected stall in ext4_release_dir (2) net virt 1 296d 296d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (3) virt 2 242d 271d
upstream test error: KMSAN: uninit-value in net_rx_action virt net 1 274d 274d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (4) virt 3 250d 286d
upstream boot error: KMSAN: uninit-value in corrupted net virt 1 315d 311d
KMSAN: uninit-value in virtqueue_add (5) virt 170 291d 290d
INFO: task hung in vhost_worker_flush virt kvm net 12 313d 479d
INFO: task hung in vhost_vsock_dev_ioctl (2) kvm net virt 1 324d 324d
upstream boot error: KMSAN: uninit-value in receive_buf net virt 155 315d 308d
INFO: rcu detected stall in net_rx_action (5) virt wireguard wireless 3 340d 378d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (2) virt 25 314d 477d
INFO: task hung in vhost_vsock_dev_release net virt kvm 1 376d 376d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (3) virt 37 315d 371d
upstream boot error: INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer dri virt 1 433d 433d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state (2) dri virt 1 477d 473d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (2) virt 3 430d 457d
KMSAN: uninit-value in vsock_assign_transport net virt C 2 486d 500d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (3) virt 1 456d 456d
general protection fault in psi_account_irqtime reiserfs virt C error 4 521d 663d
KASAN: slab-use-after-free Read in sock_wfree net virt 1 514d 514d
INFO: rcu detected stall in update_balloon_stats_func virt 1 529d 529d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb virt 47 523d 704d
memory leak in napi_skb_cache_get net virt C 109 873d 852d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state dri virt 1 613d 609d
INFO: task hung in vhost_dev_flush kvm net virt 2 639d 666d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt virt 130 585d 1073d
KASAN: use-after-free Read in receive_buf (2) net virt 1 699d 699d
INFO: task hung in vhost_dev_stop net virt kvm 1 664d 664d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (3) net virt 1 623d 623d
general protection fault in vhost_task_start net virt kvm C done 4 740d 742d
KCSAN: data-race in detach_buf_split / virtqueue_add virt 821 640d 1217d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (8) virt 2 651d 670d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (6) virt 1 661d 661d
KASAN: slab-use-after-free Read in __vhost_vq_attach_worker kvm net virt C done 3 646d 645d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (7) virt 1 728d 728d
kernel BUG in vhost_vsock_handle_tx_kick kvm net virt C done 5 820d 818d
KMSAN: uninit-value in virtqueue_add (3) virt 13 879d 1172d
usb-testing boot error: WARNING in cpumask_next_wrap net virt 21 898d 902d
usb-testing boot error: BUG: unable to handle kernel paging request in virtnet_set_affinity net virt 1 957d 953d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (6) virt 1 873d 873d
bpf-next boot error: WARNING in cpumask_next_wrap net virt 99 881d 895d
general protection fault in virtio_gpu_object_create (2) dri virt C 2 1004d 1000d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (2) net virt 1 925d 925d
INFO: rcu detected stall in vhost_worker virt kvm net C done 45 1240d 2076d
INFO: task hung in vhost_net_stop kvm net virt C error error 233 1123d 1312d
memory leak in vhost_net_ioctl net virt kvm C 11 2101d 2127d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (5) virt 1 997d 997d
KASAN: use-after-free Read in sock_def_write_space (4) net virt 7 1061d 1229d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (5) virt 3 1032d 1081d
general protection fault in vhost_iotlb_itree_first kvm net virt 1 1139d 1137d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (4) virt 1 1075d 1075d
INFO: task hung in vhost_vsock_dev_ioctl kvm net virt 1 1147d 1147d
general protection fault in virtio_gpu_object_create dri virt 2 1212d 1214d
general protection fault in virtio_gpu_poll dri virt 7 1237d 1241d
KASAN: out-of-bounds Write in virtio_gpu_cmd_transfer_to_host_2d dri virt 1 1246d 1214d
INFO: task hung in vhost_dev_ioctl kvm net virt 1 1192d 1192d
INFO: task hung in memory_access_ok kvm net virt 1 1167d 1167d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats net virt 3 1192d 1202d
KCSAN: data-race in virtnet_poll / virtnet_stats net virt 1 1197d 1197d
KASAN: use-after-free Read in __napi_schedule net virt 1 1258d 1258d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (2) virt 4 1219d 1250d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (3) virt 1 1260d 1260d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt virt 1 1308d 1308d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx (2) virt 1 1360d 1360d
general protection fault in receive_buf net virt 2 1428d 1436d
BUG: corrupted list in napi_complete_done net virt 2 1434d 1436d
general protection fault in virtqueue_disable_cb virt 1 1437d 1432d
general protection fault in virtnet_poll net virt 1 1440d 1436d
KASAN: invalid-access Read in virtblk_request_done virt block 1 1472d 1468d
INFO: rcu detected stall in net_rx_action net virt 3 1531d 1540d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (3) virt 1 1605d 1572d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (4) virt 1 1595d 1576d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare (2) virt 1 1601d 1576d
KCSAN: data-race in virtnet_poll / virtqueue_add virt 1 1616d 1616d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (3) virt 1 1689d 1689d
KMSAN: uninit-value in vhost_chr_write_iter kvm net virt C 2 1718d 1718d
KMSAN: uninit-value in vring_map_one_sg virt C 4 1831d 1849d
KMSAN: uninit-value in virtqueue_add virt C 271 1714d 1830d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (2) virt 3 1860d 1936d
KCSAN: data-race in detach_buf_split / virtnet_poll virt 1 1862d 1862d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (2) virt 3 1862d 1934d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (2) virt 4 1878d 1904d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare virt 31 1881d 1976d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx virt 31 1883d 1982d
KMSAN: uninit-value in kcov_remote_stop (2) kvm net virt 3 1938d 1939d
KMSAN: uninit-value in kcov_remote_start (2) virt kvm net 1216 1938d 1939d
kmsan boot error: BUG: attempting to access two shadow page ranges. virt 12 1959d 1960d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed virt 2 1974d 1986d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt virt 3 1975d 1985d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add virt 1 1984d 1984d
KMSAN: uninit-value in consume_skb net virt 1 2038d 2038d
KMSAN: uninit-value in receive_buf (2) virt net 1 2269d 2269d
INFO: task hung in vhost_init_device_iotlb kvm net virt 3 2225d 2254d
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:LINE kvm net virt 422 2157d 2374d
KMSAN: uninit-value in sg_init_one net virt 11 2463d 2465d
KMSAN: uninit-value in virtnet_poll net virt 1 2463d 2463d
https://github.com/google/kmsan.git boot error: KMSAN: uninit-value in receive_buf net virt 13 2484d 2485d
KMSAN: uninit-value in __napi_alloc_skb net virt 1 2483d 2483d
kernel BUG at mm/kmsan/kmsan.c:LINE! virt C 64521 2483d 2552d
https://github.com/google/kmsan.git test error: kernel BUG at mm/kmsan/kmsan.c:LINE! virt 1 2489d 2483d