syzbot


Out of 118 bugs, 95 were automatically obsoleted (8 due to revoked reproducers), 23 were invalidated by users.
Applied filters: Label=subsystems:virt (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
INFO: task hung in vhost_dev_flush (2) kvm net virt 1 1 101d 101d
WARNING in virtio_gpu_queue_fenced_ctrl_buffer virt dri -1 1 128d 124d
INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer dri virt 1 14 221d 366d
INFO: rcu detected stall in vsock_connect net virt 1 1 230d 230d
BUG: unable to handle kernel paging request in clear_page_erms (6) mm virt net 8 2 256d 325d
INFO: trying to register non-static key in stats_request virt -1 2 276d 274d
INFO: rcu detected stall in blk_mq_run_hw_queues block net virt 1 3 298d 400d
INFO: task hung in vhost_vsock_dev_release (2) kvm net virt 1 6 326d 404d
INFO: task hung in vhost_net_stop (2) kvm net virt 1 4 331d 405d
INFO: task hung in vhost_worker_killed net virt kvm 1 1 335d 335d
INFO: rcu detected stall in drain_vmap_area_work (2) net virt 1 2 378d 389d
INFO: rcu detected stall in vhost_task_fn (2) kvm net virt 1 3 383d 432d
INFO: rcu detected stall in update_balloon_stats_func (2) virt 1 1 386d 386d
INFO: rcu detected stall in __unwind_start net virt 1 2 392d 424d
INFO: rcu detected stall in vmstat_shepherd net virt 1 1 395d 395d
INFO: rcu detected stall in free_obj_work net virt 1 2 395d 406d
upstream test error: KMSAN: uninit-value in virtnet_poll net virt -1 1 421d 417d
INFO: rcu detected stall in ext4_release_dir (2) net virt 1 1 437d 437d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (3) virt 6 2 382d 411d
upstream test error: KMSAN: uninit-value in net_rx_action net virt -1 1 414d 414d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (4) virt 6 3 390d 426d
upstream boot error: KMSAN: uninit-value in corrupted net virt -1 1 456d 452d
KMSAN: uninit-value in virtqueue_add (5) virt 7 170 431d 430d
INFO: task hung in vhost_worker_flush virt kvm net 1 12 453d 619d
INFO: task hung in vhost_vsock_dev_ioctl (2) net virt kvm 1 1 464d 464d
upstream boot error: KMSAN: uninit-value in receive_buf virt net -1 155 456d 448d
INFO: rcu detected stall in net_rx_action (5) virt wireguard wireless 1 3 481d 518d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (2) virt 6 25 455d 618d
INFO: task hung in vhost_vsock_dev_release virt kvm net 1 1 516d 516d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (3) virt 6 37 455d 511d
upstream boot error: INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer dri virt -1 1 574d 573d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state (2) dri virt -1 1 618d 614d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (2) virt 6 3 570d 597d
KMSAN: uninit-value in vsock_assign_transport net virt 7 C 2 626d 641d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (3) virt 6 1 596d 596d
general protection fault in psi_account_irqtime virt 19 C error 4 661d 803d
KASAN: slab-use-after-free Read in sock_wfree net virt 19 1 654d 654d
INFO: rcu detected stall in update_balloon_stats_func virt 1 1 669d 669d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb virt 6 47 663d 844d
memory leak in napi_skb_cache_get net virt 3 C 109 1013d 992d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state dri virt -1 1 753d 749d
INFO: task hung in vhost_dev_flush virt kvm net 1 2 779d 806d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt virt 6 130 725d 1213d
KASAN: use-after-free Read in receive_buf (2) virt net 19 1 839d 839d
INFO: task hung in vhost_dev_stop kvm net virt 1 1 805d 805d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (3) net virt 6 1 763d 763d
general protection fault in vhost_task_start kvm net virt 2 C done 4 880d 882d
KCSAN: data-race in detach_buf_split / virtqueue_add virt 6 821 780d 1357d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (8) virt 6 2 791d 810d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (6) virt 6 1 801d 801d
KASAN: slab-use-after-free Read in __vhost_vq_attach_worker virt kvm net 19 C done 3 786d 785d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (7) virt 6 1 868d 868d
kernel BUG in vhost_vsock_handle_tx_kick kvm net virt -1 C done 5 960d 959d
KMSAN: uninit-value in virtqueue_add (3) virt 7 13 1020d 1312d
usb-testing boot error: WARNING in cpumask_next_wrap net virt -1 21 1038d 1042d
usb-testing boot error: BUG: unable to handle kernel paging request in virtnet_set_affinity virt net -1 1 1097d 1093d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (6) virt 6 1 1013d 1013d
bpf-next boot error: WARNING in cpumask_next_wrap net virt -1 99 1021d 1035d
general protection fault in virtio_gpu_object_create (2) virt dri 2 C 2 1144d 1140d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (2) virt net 6 1 1066d 1066d
INFO: rcu detected stall in vhost_worker kvm net virt 1 C done 45 1380d 2216d
INFO: task hung in vhost_net_stop kvm net virt 1 C error error 233 1263d 1453d
memory leak in vhost_net_ioctl kvm net virt 3 C 11 2241d 2267d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (5) virt 6 1 1137d 1137d
KASAN: use-after-free Read in sock_def_write_space (4) net virt 19 7 1201d 1369d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (5) virt 6 3 1172d 1221d
general protection fault in vhost_iotlb_itree_first kvm net virt 2 1 1279d 1277d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (4) virt 6 1 1216d 1216d
INFO: task hung in vhost_vsock_dev_ioctl virt kvm net 1 1 1287d 1287d
general protection fault in virtio_gpu_object_create dri virt 2 2 1352d 1354d
general protection fault in virtio_gpu_poll dri virt 2 7 1377d 1381d
KASAN: out-of-bounds Write in virtio_gpu_cmd_transfer_to_host_2d dri virt 23 1 1386d 1354d
INFO: task hung in vhost_dev_ioctl net virt kvm 1 1 1332d 1332d
INFO: task hung in memory_access_ok kvm net virt 1 1 1307d 1307d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats net virt 6 3 1332d 1342d
KCSAN: data-race in virtnet_poll / virtnet_stats virt net 6 1 1338d 1338d
KASAN: use-after-free Read in __napi_schedule net virt 19 1 1398d 1398d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (2) virt 6 4 1359d 1390d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (3) virt 6 1 1401d 1401d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt virt 6 1 1448d 1448d
general protection fault in virtio_transport_seqpacket_allow net virt kvm 2 C unreliable unreliable 2 1520d 1520d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx (2) virt 6 1 1500d 1500d
general protection fault in receive_buf virt net 2 2 1569d 1576d
BUG: corrupted list in napi_complete_done virt net 8 2 1574d 1576d
general protection fault in virtqueue_disable_cb virt 2 1 1577d 1572d
general protection fault in virtnet_poll net virt 2 1 1580d 1576d
KASAN: invalid-access Read in virtblk_request_done block virt 17 1 1612d 1608d
INFO: rcu detected stall in net_rx_action net virt 1 3 1671d 1680d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (3) virt 6 1 1745d 1712d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (4) virt 6 1 1736d 1716d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare (2) virt 6 1 1741d 1716d
KCSAN: data-race in virtnet_poll / virtqueue_add virt 6 1 1756d 1756d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (3) virt 6 1 1829d 1829d
KMSAN: uninit-value in vhost_chr_write_iter net virt kvm 7 C 2 1858d 1858d
KMSAN: uninit-value in vring_map_one_sg virt 7 C 4 1971d 1989d
KMSAN: uninit-value in virtqueue_add virt 7 C 271 1854d 1970d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (2) virt 6 3 2000d 2076d
KCSAN: data-race in detach_buf_split / virtnet_poll virt 6 1 2002d 2002d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (2) virt 6 3 2002d 2074d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (2) virt 6 4 2018d 2044d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare virt 6 31 2021d 2116d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx virt 6 31 2023d 2122d
KMSAN: uninit-value in kcov_remote_stop (2) net virt kvm 7 3 2078d 2079d
KMSAN: uninit-value in kcov_remote_start (2) net virt kvm 7 1216 2078d 2079d
kmsan boot error: BUG: attempting to access two shadow page ranges. virt -1 12 2099d 2101d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed virt 6 2 2114d 2126d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt virt 6 3 2115d 2125d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add virt 6 1 2124d 2124d
KMSAN: uninit-value in consume_skb net virt 7 1 2178d 2178d
KMSAN: uninit-value in receive_buf (2) net virt 7 1 2409d 2409d
INFO: task hung in vhost_init_device_iotlb net virt kvm 1 3 2365d 2394d
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:LINE virt kvm net -1 422 2297d 2514d
KMSAN: uninit-value in sg_init_one virt net 7 11 2603d 2605d
KMSAN: uninit-value in virtnet_poll virt net 7 1 2604d 2604d
https://github.com/google/kmsan.git boot error: KMSAN: uninit-value in receive_buf net virt -1 13 2624d 2625d
KMSAN: uninit-value in __napi_alloc_skb net virt 7 1 2623d 2623d
kernel BUG at mm/kmsan/kmsan.c:LINE! virt -1 C 64521 2623d 2692d
https://github.com/google/kmsan.git test error: kernel BUG at mm/kmsan/kmsan.c:LINE! virt -1 1 2629d 2623d