// https://syzkaller.appspot.com/bug?id=76b41c8135884c37dd1a66da8043330d13d64506 // 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); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } *(uint32_t*)0x20000000 = 1; *(uint32_t*)0x20000004 = 8; *(uint64_t*)0x20000008 = 0x20001000; memcpy((void*)0x20001000, "\x7a\x0a\xf8\xff\x75\x25\x70\x25\xbf\xa1\x00\x00\x00\x00\x00\x00\x07" "\x01\x00\x00\xf8\xff\xff\xff\xb7\x02\x00\x00\x05\x00\x00\x00\xbf\x13" "\x00\x00\x00\x00\x00\x00\x85\x00\x00\x00\x06\x00\x00\x00\xb7\x00\x00" "\x00\x00\x00\x00\x00\x95\x00\x00\xff\x00\x00\x00\x00", 64); *(uint64_t*)0x20000010 = 0x20000100; memcpy((void*)0x20000100, "GPL\000", 4); *(uint32_t*)0x20000018 = 0; *(uint32_t*)0x2000001c = 0; *(uint64_t*)0x20000020 = 0; *(uint32_t*)0x20000028 = 0; *(uint32_t*)0x2000002c = 0; memset((void*)0x20000030, 0, 16); *(uint32_t*)0x20000040 = 0; *(uint32_t*)0x20000044 = 0; *(uint32_t*)0x20000048 = -1; *(uint32_t*)0x2000004c = 8; *(uint64_t*)0x20000050 = 0; *(uint32_t*)0x20000058 = 0; *(uint32_t*)0x2000005c = 0x10; *(uint64_t*)0x20000060 = 0; *(uint32_t*)0x20000068 = 0; *(uint32_t*)0x2000006c = 0; *(uint32_t*)0x20000070 = -1; *(uint32_t*)0x20000074 = 0; *(uint64_t*)0x20000078 = 0; *(uint64_t*)0x20000080 = 0; *(uint32_t*)0x20000088 = 0x10; *(uint32_t*)0x2000008c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000000ul, /*size=*/0x48ul); if (res != -1) r[0] = res; *(uint32_t*)0x20000080 = r[0]; *(uint32_t*)0x20000084 = 0x2000000; *(uint32_t*)0x20000088 = 0xe; *(uint32_t*)0x2000008c = 0x55; *(uint64_t*)0x20000090 = 0x20000140; memcpy((void*)0x20000140, "\xa0\x6a\xd8\x76\xd5\x6a\x00\x64\xd0\x82\x77\x8c\x39\x38", 14); *(uint64_t*)0x20000098 = 0x20000380; *(uint32_t*)0x200000a0 = 0x700; *(uint32_t*)0x200000a4 = 0x4000000; *(uint32_t*)0x200000a8 = 0; *(uint32_t*)0x200000ac = 0; *(uint64_t*)0x200000b0 = 0x20000000; *(uint64_t*)0x200000b8 = 0x20000000; *(uint32_t*)0x200000c0 = 0; *(uint32_t*)0x200000c4 = 0; *(uint32_t*)0x200000c8 = 0; syscall(__NR_bpf, /*cmd=*/0xaul, /*arg=*/0x20000080ul, /*size=*/0x28ul); return 0; }