// https://syzkaller.appspot.com/bug?id=83a92f3c1b448633312014ec73c2165140021f5f // 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=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-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*)0x20000240 = 2; *(uint32_t*)0x20000244 = 4; *(uint32_t*)0x20000248 = 8; *(uint32_t*)0x2000024c = 1; *(uint32_t*)0x20000250 = 0x80; *(uint32_t*)0x20000254 = -1; *(uint32_t*)0x20000258 = 0; memset((void*)0x2000025c, 0, 16); *(uint32_t*)0x2000026c = 0; *(uint32_t*)0x20000270 = 0; *(uint32_t*)0x20000274 = 0; *(uint32_t*)0x20000278 = 0; *(uint32_t*)0x2000027c = 0; *(uint64_t*)0x20000280 = 0; *(uint32_t*)0x20000288 = 0; *(uint32_t*)0x2000028c = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000240ul, /*size=*/0x48ul); if (res != -1) r[0] = res; *(uint32_t*)0x200007c0 = 0x1b; *(uint32_t*)0x200007c4 = 0; *(uint32_t*)0x200007c8 = 0; *(uint32_t*)0x200007cc = 0x40000; *(uint32_t*)0x200007d0 = 0; *(uint32_t*)0x200007d4 = 0; *(uint32_t*)0x200007d8 = 0; memset((void*)0x200007dc, 0, 16); *(uint32_t*)0x200007ec = 0; *(uint32_t*)0x200007f0 = 0; *(uint32_t*)0x200007f4 = 0; *(uint32_t*)0x200007f8 = 0; *(uint32_t*)0x200007fc = 0; *(uint64_t*)0x20000800 = 0; *(uint32_t*)0x20000808 = 0; *(uint32_t*)0x2000080c = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200007c0ul, /*size=*/0x48ul); if (res != -1) r[1] = res; *(uint32_t*)0x20000840 = 7; *(uint32_t*)0x20000844 = 0x1c; *(uint64_t*)0x20000848 = 0x20000d80; memcpy((void*)0x20000d80, "\x18\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18" "\x11\x00\x00", 20); *(uint32_t*)0x20000d94 = r[1]; memcpy((void*)0x20000d98, "\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\xbc\x89" "\x00\x00\x00\x00\x00\x00\x35\x09\x01\x00\x00\x00\x00\x00\x95\x00\x00" "\x00\x00\x00\x00\x00\xb7\x08\x00\x00\x00\x00\x00\x00\x7b\x9a\x00\xfe" "\x00\x00\x00\x00\xb5\x09\x00\x00\x00\x00\x00\x00\xc3\xaa\xf0\xff\xf1" "\x00\x00\x00\xbf\x86\x00\x00\x00\x00\x00\x00\x07\x08\x00\x00\xf8\xff" "\xff\xff\xbf\xa4\x00\x00\x00\x00\x00\x00\x07\x04\x00\x00\xf0\xff\xff" "\xff\xb7\x02\x00\x00\x08\x00\x00\x00\x18\x22\x00\x00", 132); *(uint32_t*)0x20000e1c = r[0]; memcpy((void*)0x20000e20, "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x05\x00\x00\x08\x00\x00\x00\x46" "\x08\xeb\xff\x76\x00\x00\x00\xbf\x98\x00\x00\x00\x00\x00\x00\x56\x08" "\x00\x00\x00\x00\x00\x00\x85\x00\x00\x00\x00\x00\x00\x00\xb7\x00\x00" "\x00\x00\x00\x00\x00\x95", 57); *(uint64_t*)0x20000850 = 0x20000980; memcpy((void*)0x20000980, "GPL\000", 4); *(uint32_t*)0x20000858 = 0; *(uint32_t*)0x2000085c = 0; *(uint64_t*)0x20000860 = 0; *(uint32_t*)0x20000868 = 0; *(uint32_t*)0x2000086c = 0; memset((void*)0x20000870, 0, 16); *(uint32_t*)0x20000880 = 0; *(uint32_t*)0x20000884 = 0; *(uint32_t*)0x20000888 = 0; *(uint32_t*)0x2000088c = 0; *(uint64_t*)0x20000890 = 0; *(uint32_t*)0x20000898 = 0; *(uint32_t*)0x2000089c = 0; *(uint64_t*)0x200008a0 = 0; *(uint32_t*)0x200008a8 = 0; *(uint32_t*)0x200008ac = 0; *(uint32_t*)0x200008b0 = 0; *(uint32_t*)0x200008b4 = 0; *(uint64_t*)0x200008b8 = 0; *(uint64_t*)0x200008c0 = 0; *(uint32_t*)0x200008c8 = 0; *(uint32_t*)0x200008cc = 0; *(uint32_t*)0x200008d0 = 0; syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000840ul, /*size=*/0x90ul); return 0; }