syzbot


Out of 112 bugs, 90 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: trying to register non-static key in stats_request virt 2 118d 117d
INFO: rcu detected stall in blk_mq_run_hw_queues block net virt 3 140d 242d
INFO: task hung in vhost_vsock_dev_release (2) kvm net virt 6 169d 247d
INFO: task hung in vhost_net_stop (2) kvm net virt 4 173d 248d
INFO: task hung in vhost_worker_killed kvm net virt 1 178d 178d
INFO: rcu detected stall in drain_vmap_area_work (2) net virt 2 221d 232d
INFO: rcu detected stall in vhost_task_fn (2) kvm net virt 3 225d 275d
INFO: rcu detected stall in update_balloon_stats_func (2) virt 1 229d 229d
INFO: rcu detected stall in __unwind_start net virt 2 235d 267d
INFO: rcu detected stall in vmstat_shepherd net virt 1 238d 238d
INFO: rcu detected stall in free_obj_work net virt 2 238d 249d
upstream test error: KMSAN: uninit-value in virtnet_poll net virt 1 264d 260d
INFO: rcu detected stall in ext4_release_dir (2) net virt 1 279d 279d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (3) virt 2 225d 254d
upstream test error: KMSAN: uninit-value in net_rx_action virt net 1 257d 257d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (4) virt 3 233d 269d
upstream boot error: KMSAN: uninit-value in corrupted net virt 1 298d 294d
KMSAN: uninit-value in virtqueue_add (5) virt 170 274d 273d
INFO: task hung in vhost_worker_flush virt kvm net 12 296d 462d
INFO: task hung in vhost_vsock_dev_ioctl (2) kvm net virt 1 307d 307d
upstream boot error: KMSAN: uninit-value in receive_buf net virt 155 298d 291d
INFO: rcu detected stall in net_rx_action (5) virt wireguard wireless 3 323d 361d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (2) virt 25 298d 461d
INFO: task hung in vhost_vsock_dev_release net virt kvm 1 359d 359d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (3) virt 37 298d 354d
upstream boot error: INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer dri virt 1 416d 416d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state (2) dri virt 1 461d 457d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (2) virt 3 413d 440d
KMSAN: uninit-value in vsock_assign_transport net virt C 2 469d 484d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (3) virt 1 439d 439d
general protection fault in psi_account_irqtime reiserfs virt C error 4 504d 646d
KASAN: slab-use-after-free Read in sock_wfree net virt 1 497d 497d
INFO: rcu detected stall in update_balloon_stats_func virt 1 512d 512d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb virt 47 506d 687d
memory leak in napi_skb_cache_get net virt C 109 856d 835d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state dri virt 1 596d 592d
INFO: task hung in vhost_dev_flush kvm net virt 2 622d 649d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt virt 130 568d 1056d
KASAN: use-after-free Read in receive_buf (2) net virt 1 682d 682d
INFO: task hung in vhost_dev_stop net virt kvm 1 648d 648d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (3) net virt 1 606d 606d
general protection fault in vhost_task_start net virt kvm C done 4 723d 725d
KCSAN: data-race in detach_buf_split / virtqueue_add virt 821 623d 1200d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (8) virt 2 634d 653d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (6) virt 1 644d 644d
KASAN: slab-use-after-free Read in __vhost_vq_attach_worker kvm net virt C done 3 629d 628d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (7) virt 1 711d 711d
kernel BUG in vhost_vsock_handle_tx_kick kvm net virt C done 5 803d 802d
KMSAN: uninit-value in virtqueue_add (3) virt 13 863d 1155d
usb-testing boot error: WARNING in cpumask_next_wrap net virt 21 881d 885d
usb-testing boot error: BUG: unable to handle kernel paging request in virtnet_set_affinity net virt 1 940d 936d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (6) virt 1 856d 856d
bpf-next boot error: WARNING in cpumask_next_wrap net virt 99 864d 878d
general protection fault in virtio_gpu_object_create (2) dri virt C 2 987d 983d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (2) net virt 1 908d 908d
INFO: rcu detected stall in vhost_worker virt kvm net C done 45 1223d 2059d
INFO: task hung in vhost_net_stop kvm net virt C error error 233 1106d 1296d
memory leak in vhost_net_ioctl net virt kvm C 11 2084d 2110d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (5) virt 1 980d 980d
KASAN: use-after-free Read in sock_def_write_space (4) net virt 7 1044d 1212d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (5) virt 3 1015d 1064d
general protection fault in vhost_iotlb_itree_first kvm net virt 1 1122d 1120d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (4) virt 1 1058d 1058d
INFO: task hung in vhost_vsock_dev_ioctl kvm net virt 1 1130d 1130d
general protection fault in virtio_gpu_object_create dri virt 2 1195d 1197d
general protection fault in virtio_gpu_poll dri virt 7 1220d 1224d
KASAN: out-of-bounds Write in virtio_gpu_cmd_transfer_to_host_2d dri virt 1 1229d 1197d
INFO: task hung in vhost_dev_ioctl kvm net virt 1 1175d 1175d
INFO: task hung in memory_access_ok kvm net virt 1 1150d 1150d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats net virt 3 1175d 1185d
KCSAN: data-race in virtnet_poll / virtnet_stats net virt 1 1181d 1181d
KASAN: use-after-free Read in __napi_schedule net virt 1 1241d 1241d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (2) virt 4 1202d 1233d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (3) virt 1 1243d 1243d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt virt 1 1291d 1291d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx (2) virt 1 1343d 1343d
general protection fault in receive_buf net virt 2 1412d 1419d
BUG: corrupted list in napi_complete_done net virt 2 1417d 1419d
general protection fault in virtqueue_disable_cb virt 1 1420d 1415d
general protection fault in virtnet_poll net virt 1 1423d 1419d
KASAN: invalid-access Read in virtblk_request_done virt block 1 1455d 1451d
INFO: rcu detected stall in net_rx_action net virt 3 1514d 1523d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (3) virt 1 1588d 1555d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (4) virt 1 1578d 1559d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare (2) virt 1 1584d 1559d
KCSAN: data-race in virtnet_poll / virtqueue_add virt 1 1599d 1599d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (3) virt 1 1672d 1672d
KMSAN: uninit-value in vhost_chr_write_iter kvm net virt C 2 1701d 1701d
KMSAN: uninit-value in vring_map_one_sg virt C 4 1814d 1832d
KMSAN: uninit-value in virtqueue_add virt C 271 1697d 1813d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (2) virt 3 1843d 1919d
KCSAN: data-race in detach_buf_split / virtnet_poll virt 1 1845d 1845d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (2) virt 3 1845d 1917d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (2) virt 4 1861d 1887d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare virt 31 1864d 1959d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx virt 31 1866d 1965d
KMSAN: uninit-value in kcov_remote_stop (2) kvm net virt 3 1921d 1922d
KMSAN: uninit-value in kcov_remote_start (2) virt kvm net 1216 1921d 1922d
kmsan boot error: BUG: attempting to access two shadow page ranges. virt 12 1942d 1943d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed virt 2 1957d 1969d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt virt 3 1958d 1968d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add virt 1 1967d 1967d
KMSAN: uninit-value in consume_skb net virt 1 2021d 2021d
KMSAN: uninit-value in receive_buf (2) virt net 1 2252d 2252d
INFO: task hung in vhost_init_device_iotlb kvm net virt 3 2208d 2237d
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:LINE kvm net virt 422 2140d 2357d
KMSAN: uninit-value in sg_init_one net virt 11 2446d 2448d
KMSAN: uninit-value in virtnet_poll net virt 1 2446d 2446d
https://github.com/google/kmsan.git boot error: KMSAN: uninit-value in receive_buf net virt 13 2467d 2468d
KMSAN: uninit-value in __napi_alloc_skb net virt 1 2466d 2466d
kernel BUG at mm/kmsan/kmsan.c:LINE! virt C 64521 2466d 2535d
https://github.com/google/kmsan.git test error: kernel BUG at mm/kmsan/kmsan.c:LINE! virt 1 2472d 2466d