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🐞 Open [1032] 🐞 Fixed [3929] 🐞 Invalid [8538] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in check_mmio_spte / kvm_set_memslot (4) | 1 | 574d | 574d | 0/23 | auto-closed as invalid on 2021/02/26 09:27 | |||
upstream | KCSAN: data-race in check_mmio_spte / kvm_set_memslot | 2 | 739d | 754d | 0/23 | auto-closed as invalid on 2020/09/14 12:48 | |||
upstream | KCSAN: data-race in check_mmio_spte / kvm_set_memslot (2) | 2 | 691d | 699d | 0/23 | auto-closed as invalid on 2020/11/01 14:13 |
================================================================== BUG: KCSAN: data-race in check_mmio_spte / kvm_set_memslot write to 0xffff88801be7d800 of 8 bytes by task 25233 on cpu 1: install_new_memslots arch/x86/kvm/../../../virt/kvm/kvm_main.c:1146 [inline] kvm_set_memslot+0x945/0xa00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1222 __kvm_set_memory_region+0x708/0x910 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1374 kvm_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1395 [inline] kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1407 [inline] kvm_vm_ioctl+0x822/0x17d0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3708 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+0x44/0xa9 read to 0xffff88801be7d800 of 8 bytes by task 25226 on cpu 0: check_mmio_spte+0x58/0x160 arch/x86/kvm/mmu/mmu.c:254 handle_mmio_page_fault+0x64c/0x890 arch/x86/kvm/mmu/mmu.c:3579 kvm_mmu_page_fault+0x348/0x3c0 arch/x86/kvm/mmu/mmu.c:5053 handle_ept_misconfig+0x96/0x150 arch/x86/kvm/vmx/vmx.c:5375 vmx_handle_exit+0x2fd/0x7e0 arch/x86/kvm/vmx/vmx.c:6068 vcpu_enter_guest+0x1978/0x2390 arch/x86/kvm/x86.c:9025 vcpu_run+0x26e/0x730 arch/x86/kvm/x86.c:9090 kvm_arch_vcpu_ioctl_run+0x362/0x660 arch/x86/kvm/x86.c:9307 kvm_vcpu_ioctl+0x562/0x8f0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3234 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+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25226 Comm: syz-executor.2 Not tainted 5.10.0-rc5-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 | 2020/11/23 17:10 | upstream | 418baf2c28f3 | 878fb17a | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/11/20 17:08 | upstream | 4d02da974ea8 | 68068804 | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/11/17 21:08 | upstream | 111e91a6df50 | bd2a760b | .config | log | report | info |