// https://syzkaller.appspot.com/bug?id=15d642c9d9680fa51e9dacf5590a958a8975f197 // 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[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 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); intptr_t res = 0; *(uint32_t*)0x200009c0 = 0xf; *(uint32_t*)0x200009c4 = 4; *(uint32_t*)0x200009c8 = 8; *(uint32_t*)0x200009cc = 0xb; *(uint32_t*)0x200009d0 = 0; *(uint32_t*)0x200009d4 = -1; *(uint32_t*)0x200009d8 = 0; memset((void*)0x200009dc, 0, 16); *(uint32_t*)0x200009ec = 0; *(uint32_t*)0x200009f0 = -1; *(uint32_t*)0x200009f4 = 0; *(uint32_t*)0x200009f8 = 0; *(uint32_t*)0x200009fc = 0; *(uint64_t*)0x20000a00 = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200009c0ul, /*size=*/0x48ul); if (res != -1) r[0] = res; *(uint32_t*)0x200000c0 = 0x11; *(uint32_t*)0x200000c4 = 0xd; *(uint64_t*)0x200000c8 = 0x20000180; memcpy((void*)0x20000180, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x85" "\x00\x00\x00\x50\x00\x00\x00\x18\x11\x00\x00", 28); *(uint32_t*)0x2000019c = r[0]; memcpy((void*)0x200001a0, "\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\x00\x00\x00\x00\x85\x00\x00\x00\x03\x00\x00\x00\x95", 65); *(uint64_t*)0x200000d0 = 0x20001b80; memcpy((void*)0x20001b80, "syzkaller\000", 10); *(uint32_t*)0x200000d8 = 0; *(uint32_t*)0x200000dc = 0; *(uint64_t*)0x200000e0 = 0; *(uint32_t*)0x200000e8 = 0; *(uint32_t*)0x200000ec = 0; memset((void*)0x200000f0, 0, 16); *(uint32_t*)0x20000100 = 0; *(uint32_t*)0x20000104 = 0; *(uint32_t*)0x20000108 = -1; *(uint32_t*)0x2000010c = 0; *(uint64_t*)0x20000110 = 0; *(uint32_t*)0x20000118 = 0; *(uint32_t*)0x2000011c = 0; *(uint64_t*)0x20000120 = 0; *(uint32_t*)0x20000128 = 0; *(uint32_t*)0x2000012c = 0; *(uint32_t*)0x20000130 = 0; *(uint32_t*)0x20000134 = 0; *(uint64_t*)0x20000138 = 0; *(uint64_t*)0x20000140 = 0; *(uint32_t*)0x20000148 = 0; *(uint32_t*)0x2000014c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul); if (res != -1) r[1] = res; *(uint64_t*)0x20000000 = 0x20000080; memcpy((void*)0x20000080, "kfree\000", 6); *(uint32_t*)0x20000008 = r[1]; syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000000ul, /*size=*/0x10ul); res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_STREAM*/ 1ul, /*proto=*/0, /*fds=*/0x20000040ul); if (res != -1) { r[2] = *(uint32_t*)0x20000040; r[3] = *(uint32_t*)0x20000044; } *(uint32_t*)0x20000200 = 0xf; *(uint32_t*)0x20000204 = 4; *(uint32_t*)0x20000208 = 4; *(uint32_t*)0x2000020c = 0x12; *(uint32_t*)0x20000210 = 0; *(uint32_t*)0x20000214 = -1; *(uint32_t*)0x20000218 = 0; memset((void*)0x2000021c, 0, 16); *(uint32_t*)0x2000022c = 0; *(uint32_t*)0x20000230 = -1; *(uint32_t*)0x20000234 = 0; *(uint32_t*)0x20000238 = 0; *(uint32_t*)0x2000023c = 0; *(uint64_t*)0x20000240 = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000200ul, /*size=*/0x48ul); if (res != -1) r[4] = res; *(uint32_t*)0x20000740 = r[4]; *(uint64_t*)0x20000748 = 0x200006c0; *(uint32_t*)0x200006c0 = 0; *(uint64_t*)0x20000750 = 0x20000700; *(uint32_t*)0x20000700 = r[3]; *(uint64_t*)0x20000758 = 0; syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20000740ul, /*size=*/0x20ul); *(uint32_t*)0x20000680 = r[4]; *(uint64_t*)0x20000688 = 0x20000600; *(uint32_t*)0x20000600 = 0; *(uint64_t*)0x20000690 = 0x20000640; *(uint32_t*)0x20000640 = r[2]; *(uint64_t*)0x20000698 = 0; syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20000680ul, /*size=*/0x20ul); return 0; }