syzbot


Out of 125 bugs, 98 were automatically obsoleted (8 due to revoked reproducers), 27 were invalidated by users.
Applied filters: Label=subsystems:virt (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
INFO: rcu detected stall in vhost_task_fn (3) virt kvm net 1 2 125d 139d
possible deadlock in vsock_connect net virt 4 20 86d 93d
possible deadlock in vsock_shutdown net virt 4 2 91d 93d
possible deadlock in __vsock_release net virt 4 1 87d 87d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (7) virt 6 1 126d 126d
INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer (2) virt dri 1 1 165d 165d
upstream test error: general protection fault in vhost_dev_cleanup virt kvm net -1 19 131d 137d
INFO: task hung in vhost_dev_flush (2) kvm net virt 1 1 220d 220d
WARNING in virtio_gpu_queue_fenced_ctrl_buffer virt dri -1 1 247d 243d
INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer dri virt 1 14 340d 485d
INFO: rcu detected stall in vsock_connect net virt 1 1 349d 349d
BUG: unable to handle kernel paging request in clear_page_erms (6) mm virt net 8 2 375d 444d
INFO: trying to register non-static key in stats_request virt -1 2 395d 393d
INFO: rcu detected stall in blk_mq_run_hw_queues block net virt 1 3 417d 519d
INFO: task hung in vhost_vsock_dev_release (2) kvm net virt 1 6 445d 523d
INFO: task hung in vhost_net_stop (2) kvm net virt 1 4 450d 524d
INFO: task hung in vhost_worker_killed net virt kvm 1 1 454d 454d
INFO: rcu detected stall in drain_vmap_area_work (2) net virt 1 2 497d 508d
INFO: rcu detected stall in vhost_task_fn (2) kvm net virt 1 3 502d 552d
INFO: rcu detected stall in update_balloon_stats_func (2) virt 1 1 505d 505d
INFO: rcu detected stall in __unwind_start net virt 1 2 512d 543d
INFO: rcu detected stall in vmstat_shepherd net virt 1 1 514d 514d
INFO: rcu detected stall in free_obj_work net virt 1 2 514d 525d
upstream test error: KMSAN: uninit-value in virtnet_poll net virt -1 1 540d 536d
INFO: rcu detected stall in ext4_release_dir (2) net virt 1 1 556d 556d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (3) virt 6 2 501d 530d
upstream test error: KMSAN: uninit-value in net_rx_action net virt -1 1 533d 533d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (4) virt 6 3 509d 545d
upstream boot error: KMSAN: uninit-value in corrupted net virt -1 1 575d 571d
KMSAN: uninit-value in virtqueue_add (5) virt 7 170 550d 549d
INFO: task hung in vhost_worker_flush virt kvm net 1 12 573d 738d
INFO: task hung in vhost_vsock_dev_ioctl (2) net virt kvm 1 1 583d 583d
upstream boot error: KMSAN: uninit-value in receive_buf virt net -1 155 575d 567d
INFO: rcu detected stall in net_rx_action (5) virt wireguard wireless 1 3 600d 637d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt (2) virt 6 25 574d 737d
INFO: task hung in vhost_vsock_dev_release virt kvm net 1 1 636d 636d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (3) virt 6 37 574d 630d
upstream boot error: INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer dri virt -1 1 693d 692d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state (2) dri virt -1 1 737d 733d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb (2) virt 6 3 689d 716d
KMSAN: uninit-value in vsock_assign_transport net virt 7 C 2 745d 760d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (3) virt 6 1 715d 715d
general protection fault in psi_account_irqtime virt 19 C error 4 780d 922d
KASAN: slab-use-after-free Read in sock_wfree net virt 19 1 774d 774d
INFO: rcu detected stall in update_balloon_stats_func virt 1 1 789d 789d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb virt 6 47 782d 964d
memory leak in napi_skb_cache_get net virt 3 C 109 1132d 1111d
upstream boot error: INFO: task hung in drm_atomic_get_plane_state dri virt -1 1 872d 868d
INFO: task hung in vhost_dev_flush virt kvm net 1 2 898d 926d
KCSAN: data-race in virtqueue_disable_cb / vring_interrupt virt 6 130 844d 1332d
KASAN: use-after-free Read in receive_buf (2) virt net 19 1 958d 958d
INFO: task hung in vhost_dev_stop kvm net virt 1 1 924d 924d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (3) net virt 6 1 882d 882d
general protection fault in vhost_task_start kvm net virt 2 C done 4 999d 1001d
KCSAN: data-race in detach_buf_split / virtqueue_add virt 6 821 899d 1476d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (8) virt 6 2 910d 929d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (6) virt 6 1 920d 920d
KASAN: slab-use-after-free Read in __vhost_vq_attach_worker virt kvm net 19 C done 3 905d 904d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (7) virt 6 1 987d 987d
kernel BUG in vhost_vsock_handle_tx_kick kvm net virt -1 C done 5 1080d 1078d
KMSAN: uninit-value in virtqueue_add (3) virt 7 13 1139d 1431d
usb-testing boot error: WARNING in cpumask_next_wrap net virt -1 21 1157d 1161d
usb-testing boot error: BUG: unable to handle kernel paging request in virtnet_set_affinity virt net -1 1 1216d 1212d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (6) virt 6 1 1133d 1133d
bpf-next boot error: WARNING in cpumask_next_wrap net virt -1 99 1140d 1154d
general protection fault in virtio_gpu_object_create (2) virt dri 2 C 2 1263d 1259d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats (2) virt net 6 1 1185d 1185d
INFO: rcu detected stall in vhost_worker kvm net virt 1 C done 45 1499d 2335d
INFO: task hung in vhost_net_stop kvm net virt 1 C error error 233 1382d 1572d
memory leak in vhost_net_ioctl kvm net virt 3 C 11 2360d 2386d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (5) virt 6 1 1256d 1256d
KASAN: use-after-free Read in sock_def_write_space (4) net virt 19 7 1320d 1488d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (5) virt 6 3 1291d 1341d
general protection fault in vhost_iotlb_itree_first kvm net virt 2 1 1398d 1396d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (4) virt 6 1 1335d 1335d
INFO: task hung in vhost_vsock_dev_ioctl virt kvm net 1 1 1406d 1406d
general protection fault in virtio_gpu_object_create dri virt 2 2 1472d 1473d
general protection fault in virtio_gpu_poll dri virt 2 7 1497d 1500d
KASAN: out-of-bounds Write in virtio_gpu_cmd_transfer_to_host_2d dri virt 23 1 1506d 1473d
INFO: task hung in vhost_dev_ioctl net virt kvm 1 1 1451d 1451d
INFO: task hung in memory_access_ok kvm net virt 1 1 1427d 1427d
KCSAN: data-race in free_old_xmit_skbs / virtnet_stats net virt 6 3 1452d 1461d
KCSAN: data-race in virtnet_poll / virtnet_stats virt net 6 1 1457d 1457d
KASAN: use-after-free Read in __napi_schedule net virt 19 1 1517d 1517d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt (2) virt 6 4 1478d 1509d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (3) virt 6 1 1520d 1520d
KCSAN: data-race in virtqueue_enable_cb_delayed / vring_interrupt virt 6 1 1567d 1567d
general protection fault in virtio_transport_seqpacket_allow net virt kvm 2 C unreliable unreliable 2 1639d 1639d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx (2) virt 6 1 1620d 1620d
general protection fault in receive_buf virt net 2 2 1688d 1695d
BUG: corrupted list in napi_complete_done virt net 8 2 1693d 1695d
general protection fault in virtqueue_disable_cb virt 2 1 1696d 1691d
general protection fault in virtnet_poll net virt 2 1 1699d 1695d
KASAN: invalid-access Read in virtblk_request_done block virt 17 1 1732d 1728d
INFO: rcu detected stall in net_rx_action net virt 1 3 1790d 1799d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (3) virt 6 1 1864d 1831d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (4) virt 6 1 1855d 1835d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare (2) virt 6 1 1860d 1835d
KCSAN: data-race in virtnet_poll / virtqueue_add virt 6 1 1875d 1875d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (3) virt 6 1 1948d 1948d
KMSAN: uninit-value in vhost_chr_write_iter net virt kvm 7 C 2 1977d 1977d
KMSAN: uninit-value in vring_map_one_sg virt 7 C 4 2090d 2108d
KMSAN: uninit-value in virtqueue_add virt 7 C 271 1973d 2089d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add (2) virt 6 3 2119d 2195d
KCSAN: data-race in detach_buf_split / virtnet_poll virt 6 1 2121d 2121d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed (2) virt 6 3 2121d 2193d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt (2) virt 6 4 2138d 2163d
KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare virt 6 31 2140d 2235d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx virt 6 31 2142d 2241d
KMSAN: uninit-value in kcov_remote_stop (2) net virt kvm 7 3 2197d 2198d
KMSAN: uninit-value in kcov_remote_start (2) net virt kvm 7 1216 2197d 2198d
kmsan boot error: BUG: attempting to access two shadow page ranges. virt -1 12 2219d 2220d
KCSAN: data-race in virtqueue_disable_cb / virtqueue_enable_cb_delayed virt 6 2 2233d 2245d
KCSAN: data-race in virtqueue_get_buf_ctx / vring_interrupt virt 6 3 2234d 2244d
KCSAN: data-race in virtnet_poll_tx / virtqueue_add virt 6 1 2243d 2243d
KMSAN: uninit-value in consume_skb net virt 7 1 2298d 2298d
KMSAN: uninit-value in receive_buf (2) net virt 7 1 2528d 2528d
INFO: task hung in vhost_init_device_iotlb net virt kvm 1 3 2485d 2513d
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:LINE virt kvm net -1 422 2416d 2633d
KMSAN: uninit-value in sg_init_one virt net 7 11 2722d 2724d
KMSAN: uninit-value in virtnet_poll virt net 7 1 2723d 2723d
https://github.com/google/kmsan.git boot error: KMSAN: uninit-value in receive_buf net virt -1 13 2744d 2744d
KMSAN: uninit-value in __napi_alloc_skb net virt 7 1 2742d 2742d
kernel BUG at mm/kmsan/kmsan.c:LINE! virt -1 C 64521 2742d 2811d
https://github.com/google/kmsan.git test error: kernel BUG at mm/kmsan/kmsan.c:LINE! virt -1 1 2748d 2742d