// https://syzkaller.appspot.com/bug?id=cac32914eea657f826b34679e2ffc2e2a5e487a6 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_bpf #define __NR_bpf 321 #endif uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x2000000008c0, "\x1b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80", 14); res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x2000000008c0ul, /*size=*/0x48ul); if (res != -1) r[0] = res; *(uint32_t*)0x2000000000c0 = 8; *(uint32_t*)0x2000000000c4 = 0xc; *(uint64_t*)0x2000000000c8 = 0x200000000440; memcpy((void*)0x200000000440, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18" "\x12\x00\x00", 20); *(uint32_t*)0x200000000454 = r[0]; memcpy((void*)0x200000000458, "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x08\x00\x00\x00\x00\x00\x00\x7b" "\x8a\xf8\xff\x00\x00\x00\x00\xbf\xa2\x00\x00\x00\x00\x00\x00\x07\x02" "\x00\x00\xf8\xff\xff\xff\xb7\x03\x00\x00\x08\x00\x00\x00\xb7\x04\x00" "\x00\x02\x01\x00\x00\x85\x00\x00\x00\x43\x00\x00\x00\x95", 65); *(uint64_t*)0x2000000000d0 = 0; *(uint32_t*)0x2000000000d8 = 0; *(uint32_t*)0x2000000000dc = 0; *(uint64_t*)0x2000000000e0 = 0; *(uint32_t*)0x2000000000e8 = 0; *(uint32_t*)0x2000000000ec = 0; memset((void*)0x2000000000f0, 0, 16); *(uint32_t*)0x200000000100 = 0; *(uint32_t*)0x200000000104 = 0; *(uint32_t*)0x200000000108 = -1; *(uint32_t*)0x20000000010c = 0; *(uint64_t*)0x200000000110 = 0; *(uint32_t*)0x200000000118 = 0; *(uint32_t*)0x20000000011c = 0; *(uint64_t*)0x200000000120 = 0; *(uint32_t*)0x200000000128 = 0x5d; *(uint32_t*)0x20000000012c = 0; *(uint32_t*)0x200000000130 = 0; *(uint32_t*)0x200000000134 = 0; *(uint64_t*)0x200000000138 = 0; *(uint64_t*)0x200000000140 = 0; *(uint32_t*)0x200000000148 = 0; *(uint32_t*)0x20000000014c = 0; *(uint32_t*)0x200000000150 = 0; syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x94ul); *(uint32_t*)0x2000000000c0 = 0x1f; *(uint32_t*)0x2000000000c4 = 0xc; *(uint64_t*)0x2000000000c8 = 0x200000000440; *(uint64_t*)0x2000000000d0 = 0x200000000240; memcpy((void*)0x200000000240, "GPL\000", 4); *(uint32_t*)0x2000000000d8 = 0; *(uint32_t*)0x2000000000dc = 0; *(uint64_t*)0x2000000000e0 = 0; *(uint32_t*)0x2000000000e8 = 0; *(uint32_t*)0x2000000000ec = 0x1a; memset((void*)0x2000000000f0, 0, 16); *(uint32_t*)0x200000000100 = 0; *(uint32_t*)0x200000000104 = 0; *(uint32_t*)0x200000000108 = -1; *(uint32_t*)0x20000000010c = 0; *(uint64_t*)0x200000000110 = 0; *(uint32_t*)0x200000000118 = 0; *(uint32_t*)0x20000000011c = 0; *(uint64_t*)0x200000000120 = 0; *(uint32_t*)0x200000000128 = 0; *(uint32_t*)0x20000000012c = 0; *(uint32_t*)0x200000000130 = 0; *(uint32_t*)0x200000000134 = 0; *(uint64_t*)0x200000000138 = 0; *(uint64_t*)0x200000000140 = 0; *(uint32_t*)0x200000000148 = 0; *(uint32_t*)0x20000000014c = 0; *(uint32_t*)0x200000000150 = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x90ul); if (res != -1) r[1] = res; *(uint32_t*)0x2000000004c0 = r[1]; *(uint32_t*)0x2000000004c4 = -1; *(uint32_t*)0x2000000004c8 = 0; syscall(__NR_bpf, /*cmd=*/0xaul, /*arg=*/0x2000000004c0ul, /*size=*/0xcul); return 0; }