// https://syzkaller.appspot.com/bug?id=e0640a911365faa499433155c3d5d5b674b36a83 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 192 #endif #ifndef __NR_sendmsg #define __NR_sendmsg 370 #endif #ifndef __NR_socket #define __NR_socket 359 #endif #undef __NR_mmap #define __NR_mmap __NR_mmap2 uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); long res = 0; res = syscall(__NR_socket, 0x10, 3, 0xc); if (res != -1) r[0] = res; *(uint32_t*)0x20dddfc8 = 0x20000080; *(uint16_t*)0x20000080 = 0x10; *(uint16_t*)0x20000082 = 0; *(uint32_t*)0x20000084 = 0; *(uint32_t*)0x20000088 = 0; *(uint32_t*)0x20dddfcc = 0xc; *(uint32_t*)0x20dddfd0 = 0x208a7000; *(uint32_t*)0x208a7000 = 0x20000140; memcpy((void*)0x20000140, "\x2c\x00\x00\x00\x04\x08\x05\x01\xff\x00\x80\xff" "\xfd\xff\xff\x2e\x0a\x00\x00\x00\x0c\x00\x03\x00" "\x88\xff\xff\xff\x7d\x0a\x00\x01\x0c\x00\x02\x00" "\x00\x00\x22\xff\x02\xf1\x00\x00", 44); *(uint32_t*)0x208a7004 = 0x2c; *(uint32_t*)0x20dddfd4 = 1; *(uint32_t*)0x20dddfd8 = 0; *(uint32_t*)0x20dddfdc = 0; *(uint32_t*)0x20dddfe0 = 0; syscall(__NR_sendmsg, (long)r[0], 0x20dddfc8, 0); return 0; }