syzbot

 sign-in | mailing list | source | docs
🐞 Open [1486]
≡ Subsystems
🐞 Fixed [6521]
🐞 Invalid [16597]
⬇ Missing Backports [204]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:kvm (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot kvm 4 C 67 150d 209d 28/29 71d 3617c0ee7dec KVM: x86/xen: Only write Xen hypercall page for guest writes to MSR
general protection fault in add_wait_queue net virt kvm 10 C done 676 185d 198d 28/29 71d 78dafe1cf3af vsock: Orphan socket after transport release
KASAN: slab-use-after-free Read in kvm_put_kvm kvm 19 1 302d 302d 28/29 280d ae8f8b376102 KVM: arm64: Unregister redistributor for failed vCPU creation
WARNING in __kvm_gpc_refresh (2) kvm -1 C error 2 435d 449d 27/29 371d ebbdf37ce9ab KVM: Validate hva in kvm_gpc_activate_hva() to fix __kvm_gpc_refresh() WARN
UBSAN: array-index-out-of-bounds in lock_timer_base bcachefs kvm 15 4 429d 443d 26/29 407d b79922009214 bcachefs: Add missing synchronize_srcu_expedited() call when shutting down
WARNING: locking bug in srcu_gp_start_if_needed kvm bcachefs 4 2 434d 435d 26/29 407d f770a6e9a3d7 bcachefs: Fix initialization order for srcu barrier
WARNING: locking bug in __timer_delete_sync bcachefs kvm 4 6 421d 445d 26/29 407d b79922009214 bcachefs: Add missing synchronize_srcu_expedited() call when shutting down
KASAN: slab-use-after-free Read in vhost_task_fn kvm net virt 19 C done 2661 475d 477d 25/29 441d db5247d9bf5c vhost_task: Handle SIGKILL by flushing work and exiting
WARNING in __kvm_gpc_refresh kvm -1 C 178 455d 520d 25/29 455d 5c9ca4ed8908 KVM: Check validity of offset+length of gfn_to_pfn_cache prior to activation
WARNING in kvm_mmu_notifier_invalidate_range_start (3) kvm -1 C inconclusive done 44 582d 642d 25/29 531d 4cccb6221cae fs/proc/task_mmu: move mmu notification mechanism inside mm lock
WARNING in kvm_mmu_notifier_change_pte kvm -1 C inconclusive 2 606d 616d 25/29 568d 4cccb6221cae fs/proc/task_mmu: move mmu notification mechanism inside mm lock
KMSAN: uninit-value in virtio_transport_recv_pkt virt kvm net 7 C 20713 649d 663d 25/29 608d 34c4effacfc3 virtio/vsock: Fix uninit-value in virtio_transport_recv_pkt()
general protection fault in vhost_work_queue kvm net virt 2 1 818d 813d 23/29 778d a284f09effea vhost: Fix crash during early vhost_transport_send_pkt calls
kernel BUG in vhost_get_vq_desc kvm net virt -1 C inconclusive 19 1272d 1285d 22/29 908d a58da53ffd70 vhost/vsock: don't check owner in vhost_vsock_stop() while releasing
WARNING: ODEBUG bug in kvm_xen_vcpu_set_attr kvm kvm-x86 io-uring -1 C done 4 1116d 1168d 22/29 908d af735db31285 KVM: x86/xen: Initialize Xen timer only once c03689913635 KVM: x86/xen: Stop Xen timer before changing IRQ
INFO: task hung in vhost_work_dev_flush kvm net virt 1 C error 2 1288d 1278d 22/29 908d e2ae38cf3d91 vhost: fix hung thread due to erroneous iotlb entries
WARNING in kvm_mmu_notifier_invalidate_range_start (2) kvm -1 C done 14 1235d 1248d 22/29 908d 01e67e04c281 mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
WARNING in vhost_dev_cleanup (2) kvm net virt -1 79 1272d 1280d 22/29 908d a58da53ffd70 vhost/vsock: don't check owner in vhost_vsock_stop() while releasing
memory leak in kvm_set_memslot kvm 3 C 1 1191d 1191d 22/29 908d c87661f855c3 KVM: Free new dirty bitmap if creating a new memslot fails
kernel BUG in kvm_read_guest_offset_cached kvm -1 11 1360d 1367d 20/29 1261d 8503fea6761d KVM: VMX: do not use uninitialized gfn_to_hva_cache
WARNING in kvm_mmu_notifier_invalidate_range_start kvm -1 C done 19 1269d 1331d 20/29 1261d d6aba4c8e20d hugetlbfs: fix off-by-one error in hugetlb_vmdelete_list()
upstream boot error: WARNING in kvm_wait kvm -1 233 1615d 1629d 20/29 1379d f4e61f0c9add x86/kvm: Fix broken irq restoration in kvm_wait
memory leak in kvm_dev_ioctl kvm 3 C 37 1497d 1509d 20/29 1379d 004d62eb4e57 kvm: debugfs: fix memory leak in kvm_create_vm_debugfs
usb-testing boot error: WARNING in kvm_wait kvm -1 3 1623d 1625d 20/29 1379d f4e61f0c9add  x86/kvm: Fix broken irq restoration in kvm_wait
WARNING in kvm_wait kvm -1 C error 119882 1608d 1626d 20/29 1379d f4e61f0c9add x86/kvm: Fix broken irq restoration in kvm_wait
bpf-next test error: WARNING in kvm_wait kvm -1 1 1618d 1618d 20/29 1379d f4e61f0c9add x86/kvm: Fix broken irq restoration in kvm_wait
memory leak in virtio_transport_send_pkt_info virt kvm net 3 C 2 1591d 1654d 20/29 1379d 8432b8114957 vsock/virtio: free queued packets when closing socket
net test error: WARNING in kvm_wait kvm -1 1 1621d 1621d 20/29 1379d f4e61f0c9add x86/kvm: Fix broken irq restoration in kvm_wait
linux-next boot error: WARNING in kvm_wait kvm -1 9 1614d 1625d 20/29 1379d f4e61f0c9add x86/kvm: Fix broken irq restoration in kvm_wait
upstream test error: WARNING in kvm_wait kvm -1 2 1621d 1622d 20/29 1379d f4e61f0c9add x86/kvm: Fix broken irq restoration in kvm_wait
general protection fault in kvm_hv_irq_routing_update kvm kvm-x86 2 C done 33 1630d 1636d 20/29 1594d 919f4ebc5987 KVM: x86: hyper-v: Fix Hyper-V context null-ptr-deref
BUG: unable to handle kernel NULL pointer dereference in kvm_vm_ioctl kvm 10 1 1890d 1890d 15/29 1860d 3021e69219e2 kcov: check kcov_softirq in kcov_remote_stop()
BUG: unable to handle kernel NULL pointer dereference in kvm_vcpu_gfn_to_memslot kvm 10 1 1889d 1889d 15/29 1860d 3021e69219e2 kcov: check kcov_softirq in kcov_remote_stop()
BUG: soft lockup in wg_packet_tx_worker kvm 1 1 1932d 1932d 15/29 1860d df4953e4e997 sch_sfq: validate silly quantum values
KASAN: slab-out-of-bounds Read in __kvm_gfn_to_hva_cache_init kvm 17 C done 1537 1916d 1961d 15/29 1889d b6467ab142b7 KVM: Check validity of resolved slot when searching memslots
kernel panic: stack is corrupted in vhost_net_ioctl kvm net virt 2 C done 2 2013d 2099d 15/29 1953d 42d84c8490f9 vhost: Check docket sk_family instead of call getname
INFO: task hung in lock_sock_nested (2) virt kvm net 1 C done 418 1993d 2006d 15/29 1953d 3f74957fcbea vsock: fix potential deadlock in transport->release()
general protection fault in virtio_transport_release net virt kvm 2 C done 7 2100d 2101d 15/29 2077d 039fcccaed33 vsock: avoid to assign transport if its initialization fails
general protection fault in kvm_coalesced_mmio_init kvm 2 syz done 48 2107d 2116d 14/29 2091d 8a44119a98be KVM: Fix NULL-ptr deref after kvm_create_vm fails
BUG: unable to handle kernel paging request in coalesced_mmio_write kvm 8 C done 10 2243d 2248d 13/29 2135d b60fe990c6b0 KVM: coalesced_mmio: add bounds checking
INFO: task hung in vhost_net_stop_vq virt kvm net 1 C done 136 2317d 2455d 12/29 2277d 813dbeb656d6 vhost: reject zero size iova range
KMSAN: kernel-infoleak in kvm_vcpu_write_guest_page kvm 9 C 25 2450d 2478d 11/29 2359d 3a33d030daaa kvm: x86/vmx: Use kzalloc for cached_vmcs12
KMSAN: uninit-value in kvm_clear_dirty_log_protect kvm 7 6 2359d 2404d 11/29 2359d 98938aa8edd6 KVM: validate userspace input in kvm_clear_dirty_log_protect()
KASAN: slab-out-of-bounds Read in kvm_clear_dirty_log_protect kvm 17 C 54 2411d 2422d 11/29 2359d 98938aa8edd6 KVM: validate userspace input in kvm_clear_dirty_log_protect()
WARNING: refcount bug in kvm_vm_ioctl kvm 13 syz 13 2393d 2506d 11/29 2359d cfa39381173d kvm: fix kvm_ioctl_create_device() reference counting (CVE-2019-6974)
KASAN: use-after-free Read in kvm_put_kvm kvm 19 C 143 2436d 2496d 11/29 2413d 987d1149be7d KVM: fix unregistering coalesced mmio zone from wrong bus
KASAN: use-after-free Read in vhost_transport_send_pkt kvm net virt 19 syz 36 2451d 2578d 11/29 2437d 834e772c8db0 vhost/vsock: fix use-after-free in network stack callers
KASAN: use-after-free Read in vhost_work_queue kvm net virt 19 syz 30 2449d 2549d 11/29 2437d 834e772c8db0 vhost/vsock: fix use-after-free in network stack callers
KASAN: use-after-free Read in vhost_transport_cancel_pkt net virt kvm 19 syz 17 2476d 2520d 11/29 2437d 834e772c8db0 vhost/vsock: fix use-after-free in network stack callers
KMSAN: kernel-infoleak in kvm_write_guest_page kvm 9 C 36 2451d 2478d 11/29 2448d bcbfbd8ec210 KVM: x86: Fix kernel info-leak in KVM_HC_CLOCK_PAIRING hypercall
KASAN: use-after-free Read in iotlb_access_ok virt kvm net 19 1 2574d 2570d 8/29 2549d b13f9c636437 vhost: reset metadata cache when initializing new IOTLB
KASAN: use-after-free Write in irq_bypass_register_consumer kvm 24 C 1632 2590d 2851d 8/29 2553d b5020a8e6b54 KVM/Eventfd: Avoid crash when assign and deassign specific eventfd in parallel.
KMSAN: uninit-value in _copy_to_iter (2) net virt kvm 7 C 226 2630d 2676d 8/29 2599d 670ae9caaca4 vhost: fix info leak due to uninitialized memory
WARNING in __mutex_unlock_slowpath kvm kvm-x86 -1 C 2 2667d 2670d 5/29 2631d 7a4deea1aa8b idr: fix invalid ptr dereference on item delete
general protection fault in __radix_tree_delete kvm kvm-x86 2 C 38 2643d 2670d 5/29 2631d 7a4deea1aa8b idr: fix invalid ptr dereference on item delete
kernel BUG at drivers/vhost/vhost.c:LINE! (2) virt kvm net -1 C 139 2662d 2693d 5/29 2661d d14d2b78090c vhost: fix vhost_vq_access_ok() log check
KASAN: use-after-free Read in perf_trace_lock_acquire (2) kvm net virt 19 C 188 2756d 2828d 5/29 2675d 4cd879515d68 vhost_net: stop device during reset owner
kernel BUG at drivers/vhost/vhost.c:LINE! virt kvm net -1 C 152 2693d 2711d 5/29 2693d d65026c6c62e vhost: validate log when IOTLB is enabled
BUG: corrupted list in remove_wait_queue kvm net virt 8 C 5 2706d 2709d 5/29 2693d dc6455a71c7f vhost: correctly remove wait queue during poll failure
possible deadlock in handle_rx virt kvm net 4 C 4 2705d 2704d 5/29 2693d aaa3149bbee9 vhost_net: add missing lock nesting notation
KASAN: use-after-free Read in __list_add_valid (3) virt kvm net 19 16 2757d 2764d 4/29 2754d 4cd879515d68 vhost_net: stop device during reset owner
WARNING in vhost_dev_cleanup net virt kvm -1 C 4 2759d 2764d 4/29 2757d 4cd879515d68 vhost_net: stop device during reset owner
possible deadlock in vhost_chr_write_iter kvm net virt 4 C 25952 2764d 2767d 4/29 2760d e9cb4239134c vhost: use mutex_lock_nested() in vhost_dev_lock_vqs()