// https://syzkaller.appspot.com/bug?id=02568ee96e5c44a7785f938d37ef6fd3840c6d8f // 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=*/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); intptr_t res = 0; *(uint32_t*)0x20002c80 = 3; *(uint32_t*)0x20002c84 = 0xc; *(uint64_t*)0x20002c88 = 0x20000240; memcpy( (void*)0x20000240, "\x18\x02\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x85\x00" "\x00\x00\x27\x00\x00\x00\x18\x01\x00\x00\x20\x20\x70\x25\x00\x00\x00\x00" "\x00\xe0\x96\x20\x7b\x1a\xf8\xff\x00\x00\x00\x00\xbf\xa1\x00\x00\x00\x00" "\x00\x00\x07\x01\x00\x00\xf8\xff\xff\xff\xb7\x02\x00\x00\x08\x00\x00\x00" "\xb7\x03\x00\x00\x00\x00\x00\x00\x85\x00\x00\x00\x17\x00\x00\x00\x95", 89); *(uint64_t*)0x20002c90 = 0x20000080; memcpy((void*)0x20000080, "GPL\000", 4); *(uint32_t*)0x20002c98 = 0; *(uint32_t*)0x20002c9c = 0; *(uint64_t*)0x20002ca0 = 0; *(uint32_t*)0x20002ca8 = 0; *(uint32_t*)0x20002cac = 0; memset((void*)0x20002cb0, 0, 16); *(uint32_t*)0x20002cc0 = 0; *(uint32_t*)0x20002cc4 = 0; *(uint32_t*)0x20002cc8 = -1; *(uint32_t*)0x20002ccc = 8; *(uint64_t*)0x20002cd0 = 0; *(uint32_t*)0x20002cd8 = 0; *(uint32_t*)0x20002cdc = 0x10; *(uint64_t*)0x20002ce0 = 0; *(uint32_t*)0x20002ce8 = 0; *(uint32_t*)0x20002cec = 0; *(uint32_t*)0x20002cf0 = 0; *(uint32_t*)0x20002cf4 = 0; *(uint64_t*)0x20002cf8 = 0; *(uint64_t*)0x20002d00 = 0; *(uint32_t*)0x20002d08 = 0x10; *(uint32_t*)0x20002d0c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20002c80ul, /*size=*/0x90ul); if (res != -1) r[0] = res; *(uint32_t*)0x200002c0 = r[0]; *(uint32_t*)0x200002c4 = 0; *(uint32_t*)0x200002c8 = 0xe; *(uint32_t*)0x200002cc = 0; *(uint64_t*)0x200002d0 = 0x20000100; memcpy((void*)0x20000100, "\xe0\xb9\x54\x7e\xd3\x87\xdb\xe9\xab\xc8\x9b\x6f\x5b\xec", 14); *(uint64_t*)0x200002d8 = 0; *(uint32_t*)0x200002e0 = 0; *(uint32_t*)0x200002e4 = 0; *(uint32_t*)0x200002e8 = 0; *(uint32_t*)0x200002ec = 0; *(uint64_t*)0x200002f0 = 0; *(uint64_t*)0x200002f8 = 0; *(uint32_t*)0x20000300 = 0; *(uint32_t*)0x20000304 = 0; *(uint32_t*)0x20000308 = 0; syscall(__NR_bpf, /*cmd=*/0xaul, /*arg=*/0x200002c0ul, /*size=*/0x48ul); return 0; }