ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor4240722541 <...> Warning: Permanently added '10.128.0.82' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor4240722541", ["ci2-android-6-12-rust/syz-executor4240722541"], 0x7fff0481e9c0 /* 10 vars */) = 0 brk(NULL) = 0x555592ec3000 brk(0x555592ec3d40) = 0x555592ec3d40 arch_prctl(ARCH_SET_FS, 0x555592ec33c0) = 0 set_tid_address(0x555592ec3690) = 313 set_robust_list(0x555592ec36a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor4240722541", 4096) = 50 getrandom("\x0d\x4b\x53\xce\xc1\x9d\x0b\x9a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555592ec3d40 brk(0x555592ee4d40) = 0x555592ee4d40 brk(0x555592ee5000) = 0x555592ee5000 mprotect(0x7f72a90e7000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 executing program write(1, "executing program\n", 18) = 18 mmap(0x200000000000, 11755520, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x200000000000 openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [ 22.103260][ T36] audit: type=1400 audit(1790113697.769:64): avc: denied { execmem } for pid=313 comm="syz-executor424" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.142053][ T36] audit: type=1400 audit(1790113697.809:65): avc: denied { read } for pid=313 comm="syz-executor424" name="kvm" dev="devtmpfs" ino=13 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 22.142837][ T313] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. ioctl(3, KVM_CREATE_VM, 0) = 4 ioctl(4, KVM_ENABLE_CAP, 0x200000000080) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=KVM_MEM_LOG_DIRTY_PAGES, guest_phys_addr=0, memory_size=1048576, userspace_addr=0x200000000000}) = 0 ioctl(4, KVM_CREATE_VCPU, 0) = 5 ioctl(5, KVM_PRE_FAULT_MEMORY, 0x200000000240) = 0 ioctl(5, KVM_PRE_FAULT_MEMORY, 0x200000000040) = 0 [ 22.165043][ T36] audit: type=1400 audit(1790113697.809:66): avc: denied { open } for pid=313 comm="syz-executor424" path="/dev/kvm" dev="devtmpfs" ino=13 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 22.205109][ T36] audit: type=1400 audit(1790113697.809:67): avc: denied { ioctl } for pid=313 comm="syz-executor424" path="/dev/kvm" dev="devtmpfs" ino=13 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 22.234659][ T313] ------------[ cut here ]------------ [ 22.240159][ T313] WARNING: CPU: 0 PID: 313 at arch/x86/kvm/../../../virt/kvm/dirty_ring.c:179 kvm_dirty_ring_push+0x22e/0x4b0 [ 22.251803][ T313] Modules linked in: [ 22.255699][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor424 Not tainted syzkaller #0 3ab14c716d19d9a156d32fd3ac537b1a2e52e776 [ 22.267600][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 22.277717][ T313] RIP: 0010:kvm_dirty_ring_push+0x22e/0x4b0 [ 22.283641][ T313] Code: 7b 38 be 08 00 00 00 e8 80 10 ca 00 f0 80 4b 38 08 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 e2 29 71 00 <0f> 0b e9 7c fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 08 fe ff [ 22.303282][ T313] RSP: 0018:ffffc9000130f6f8 EFLAGS: 00010293 [ 22.309350][ T313] RAX: ffffffff811650ae RBX: ffff888103f22180 RCX: ffff888108b5a600 [ 22.317310][ T313] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000200 [ 22.325338][ T313] RBP: ffffc9000130f740 R08: ffffc90000d3234f R09: 1ffff920001a6469 [ 22.333324][ T313] R10: dffffc0000000000 R11: fffff520001a646a R12: 0000000000000200 [ 22.341306][ T313] R13: 0000000000000200 R14: ffff888105b20904 R15: 1ffff110207e4701 [ 22.349290][ T313] FS: 0000555592ec33c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.358240][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.364824][ T313] CR2: 000000000069a6c0 CR3: 000000010673c000 CR4: 00000000003526b0 [ 22.372821][ T313] Call Trace: [ 22.376095][ T313] [ 22.379036][ T313] mark_page_dirty_in_slot+0x1b8/0x2d0 [ 22.384513][ T313] make_spte+0x6ad/0x8b0 [ 22.388805][ T313] kvm_tdp_mmu_map+0xaa4/0x1250 [ 22.393658][ T313] ? __cfi_kvm_tdp_mmu_map+0x10/0x10 [ 22.398952][ T313] ? is_page_fault_stale+0x2b2/0x4c0 [ 22.404255][ T313] kvm_tdp_page_fault+0x285/0x320 [ 22.409293][ T313] kvm_mmu_do_page_fault+0x2bf/0x640 [ 22.414574][ T313] ? kvm_arch_async_page_ready+0x480/0x480 [ 22.420410][ T313] ? kvm_arch_vcpu_load+0x665/0x8d0 [ 22.425604][ T313] ? __asan_memcpy+0x5a/0x80 [ 22.430199][ T313] ? ioctl_has_perm+0x408/0x500 [ 22.435045][ T313] kvm_arch_vcpu_pre_fault_memory+0x256/0x480 [ 22.441114][ T313] kvm_vcpu_pre_fault_memory+0x241/0x450 [ 22.446737][ T313] kvm_vcpu_ioctl+0x89e/0x1000 [ 22.451507][ T313] ? __cfi_kvm_vcpu_ioctl+0x10/0x10 [ 22.456694][ T313] ? __kasan_check_write+0x18/0x20 [ 22.461808][ T313] ? _raw_spin_lock_irq+0x93/0x120 [ 22.466914][ T313] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.472468][ T313] ? cgroup_update_frozen+0x160/0x980 [ 22.477850][ T313] ? __asan_memset+0x39/0x50 [ 22.482475][ T313] ? ptrace_stop+0x6d6/0x8f0 [ 22.487164][ T313] ? bpf_lsm_file_ioctl+0xd/0x20 [ 22.492129][ T313] ? security_file_ioctl+0x3e/0x110 [ 22.497330][ T313] ? __cfi_kvm_vcpu_ioctl+0x10/0x10 [ 22.502540][ T313] __se_sys_ioctl+0x126/0x1b0 [ 22.507221][ T313] __x64_sys_ioctl+0x7f/0xa0 [ 22.511838][ T313] x64_sys_call+0x1878/0x2ee0 [ 22.516514][ T313] do_syscall_64+0x57/0xf0 [ 22.520946][ T313] ? clear_bhb_loop+0x50/0xa0 [ 22.525620][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 22.531522][ T313] RIP: 0033:0x7f72a9056db9 [ 22.535980][ T313] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 22.555652][ T313] RSP: 002b:00007ffd5dc3f5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.564108][ T313] RAX: ffffffffffffffda RBX: 0000200000000258 RCX: 00007f72a9056db9 [ 22.572095][ T313] RDX: 0000200000000240 RSI: 00000000c040aed5 RDI: 0000000000000005 [ 22.580081][ T313] RBP: 0000200000000240 R08: 00007f72a90ecc40 R09: 00007f72a90ecc40 [ 22.588044][ T313] R10: 00007f72a90ecc40 R11: 0000000000000246 R12: 0000200000000250 [ 22.596027][ T313] R13: 0000200000000278 R14: 00007f72a90e7ca0 R15: 0000200000000248 ioctl(5, KVM_PRE_FAULT_MEMORY, 0x200000000240) = 0 exit_group(0) = ? +++ exited with 0 +++ [ 22.604028][