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🐞 Open [978] 🐞 Fixed [3918] 🐞 Invalid [8491] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in handle_mmio_page_fault / kvm_set_memslot (3) | 2 | 542d | 577d | 0/23 | auto-closed as invalid on 2021/03/19 14:24 | |||
upstream | KCSAN: data-race in handle_mmio_page_fault / kvm_set_memslot | 3 | 673d | 686d | 0/23 | auto-closed as invalid on 2020/11/08 13:13 | |||
upstream | KCSAN: data-race in handle_mmio_page_fault / kvm_set_memslot (2) | 1 | 619d | 609d | 0/23 | auto-closed as invalid on 2021/01/02 05:15 |
================================================================== BUG: KCSAN: data-race in handle_mmio_page_fault / kvm_set_memslot write to 0xffff88801bf80000 of 8 bytes by task 12292 on cpu 1: install_new_memslots arch/x86/kvm/../../../virt/kvm/kvm_main.c:1169 [inline] kvm_set_memslot+0x958/0xa10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1245 __kvm_set_memory_region+0x794/0x930 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1398 kvm_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1419 [inline] kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1431 [inline] kvm_vm_ioctl+0xad0/0x1c50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3858 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88801bf80000 of 8 bytes by task 12287 on cpu 0: mmio_info_in_cache arch/x86/kvm/mmu/mmu.c:3472 [inline] handle_mmio_page_fault+0xa2/0x960 arch/x86/kvm/mmu/mmu.c:3572 kvm_mmu_page_fault+0x348/0x3c0 arch/x86/kvm/mmu/mmu.c:5015 handle_ept_misconfig+0x96/0x150 arch/x86/kvm/vmx/vmx.c:5398 __vmx_handle_exit+0x35b/0x850 arch/x86/kvm/vmx/vmx.c:6090 vmx_handle_exit+0x1a/0xd0 arch/x86/kvm/vmx/vmx.c:6107 vcpu_enter_guest+0x1a3e/0x2650 arch/x86/kvm/x86.c:9216 vcpu_run+0x24f/0x6a0 arch/x86/kvm/x86.c:9282 kvm_arch_vcpu_ioctl_run+0x476/0x860 arch/x86/kvm/x86.c:9510 kvm_vcpu_ioctl+0x562/0x8f0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3316 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12287 Comm: syz-executor.1 Tainted: G W 5.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/03/23 19:27 | upstream | 7acac4b3196c | e613994b | .config | log | report | info | KCSAN: data-race in handle_mmio_page_fault / kvm_set_memslot |