// https://syzkaller.appspot.com/bug?id=8590e8ff94024a32c1f081589f209974250bcb83 // 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[1] = {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)) { } *(uint32_t*)0x2000000007c0 = 0x1b; *(uint32_t*)0x2000000007c4 = 0; *(uint32_t*)0x2000000007c8 = 0; *(uint32_t*)0x2000000007cc = 0x40000; *(uint32_t*)0x2000000007d0 = 0; *(uint32_t*)0x2000000007d4 = 0; *(uint32_t*)0x2000000007d8 = 0; memset((void*)0x2000000007dc, 0, 16); *(uint32_t*)0x2000000007ec = 0; *(uint32_t*)0x2000000007f0 = 0; *(uint32_t*)0x2000000007f4 = 0; *(uint32_t*)0x2000000007f8 = 0; *(uint32_t*)0x2000000007fc = 0; *(uint64_t*)0x200000000800 = 0; *(uint32_t*)0x200000000808 = 0; *(uint32_t*)0x20000000080c = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x2000000007c0ul, /*size=*/0x48ul); if (res != -1) r[0] = res; *(uint32_t*)0x200000000840 = 3; *(uint32_t*)0x200000000844 = 0xf; *(uint64_t*)0x200000000848 = 0x200000000900; memcpy((void*)0x200000000900, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18" "\x11\x00\x00", 20); *(uint32_t*)0x200000000914 = r[0]; memcpy( (void*)0x200000000918, "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x02\x00\x00\x14\x00\x00\x00\xb7\x03" "\x00\x00\x00\x00\x00\x00\x85\x00\x00\x00\x83\x00\x00\x00\xbf\x09\x00\x00" "\x00\x00\x00\x00\x55\x09\x01\x00\x00\x00\x00\x00\x95\x00\x00\x00\x00\x00" "\x00\x00\xbf\x91\x00\x00\x00\x00\x00\x00\xbf\x02\x00\x00\x00\x00\x00\x00" "\x85\x00\x00\x00\xcc\x00\x00\x00\xb7\x00\x00\x00\x00\x00\x00\x00\x95", 89); *(uint64_t*)0x200000000850 = 0x200000000040; memcpy((void*)0x200000000040, "GPL\000", 4); *(uint32_t*)0x200000000858 = 0; *(uint32_t*)0x20000000085c = 0; *(uint64_t*)0x200000000860 = 0; *(uint32_t*)0x200000000868 = 0; *(uint32_t*)0x20000000086c = 0; memset((void*)0x200000000870, 0, 16); *(uint32_t*)0x200000000880 = 0; *(uint32_t*)0x200000000884 = 0; *(uint32_t*)0x200000000888 = 0; *(uint32_t*)0x20000000088c = 0; *(uint64_t*)0x200000000890 = 0; *(uint32_t*)0x200000000898 = 0; *(uint32_t*)0x20000000089c = 0; *(uint64_t*)0x2000000008a0 = 0; *(uint32_t*)0x2000000008a8 = 0; *(uint32_t*)0x2000000008ac = 0; *(uint32_t*)0x2000000008b0 = 0; *(uint32_t*)0x2000000008b4 = 0; *(uint64_t*)0x2000000008b8 = 0; *(uint64_t*)0x2000000008c0 = 0; *(uint32_t*)0x2000000008c8 = 0; *(uint32_t*)0x2000000008cc = 0; *(uint32_t*)0x2000000008d0 = 0; syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000840ul, /*size=*/0x90ul); return 0; }