// https://syzkaller.appspot.com/bug?id=badc9136121e634336bcdb31592a4b70b064e421 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_ioctl #define __NR_ioctl 54 #endif #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[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000, 0x1000, 0, 0x32, -1, 0); syscall(__NR_mmap, 0x20000000, 0x1000000, 7, 0x32, -1, 0); syscall(__NR_mmap, 0x21000000, 0x1000, 0, 0x32, -1, 0); intptr_t res = 0; memcpy((void*)0x200002c0, "team0\000\000\000\000\000\000\000\000\000\000\000", 16); *(uint32_t*)0x200002d0 = 0; syscall(__NR_ioctl, -1, 0x8933, 0x200002c0); res = syscall(__NR_socket, 0x10, 3, 0); if (res != -1) r[0] = res; *(uint32_t*)0x20000000 = 0; *(uint32_t*)0x20000004 = 0; *(uint32_t*)0x20000008 = 0x20000040; *(uint32_t*)0x20000040 = 0x20000280; memcpy((void*)0x20000280, "\x44\x00\x00\x00\x10\x00\x01\x04\x00\x00\x00\xdd" "\xff\xff\xff\x00\x00\x00\x00\x00", 20); *(uint32_t*)0x20000294 = -1; memcpy((void*)0x20000298, "\x00\x00\x29\xc0\x00\x00\x00\x00\x24\x00\x12\x00" "\x0c\x00\x01\x00\x62\x72\x69\x64\x67\x65\x00\x00" "\x0c\x00\x02\x00\x08\x00\x05\x00\x01\x00\x00\x00" "\x08\x00\x01", 39); *(uint32_t*)0x20000044 = 0x44; *(uint32_t*)0x2000000c = 1; *(uint32_t*)0x20000010 = 0; *(uint32_t*)0x20000014 = 0; *(uint32_t*)0x20000018 = 0; syscall(__NR_sendmsg, (intptr_t)r[0], 0x20000000, 0); res = syscall(__NR_socket, 0x10, 3, 0); if (res != -1) r[1] = res; *(uint32_t*)0x20000240 = 0; *(uint32_t*)0x20000244 = 0; *(uint32_t*)0x20000248 = 0x20000780; *(uint32_t*)0x20000780 = 0x200004c0; memcpy((void*)0x200004c0, "\x50\x01\x00\x00\x24\x00\x0b\x0d\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00", 20); *(uint32_t*)0x200004d4 = -1; memcpy((void*)0x200004d8, "\x00\x00\x00\x02\xff\xff\xff\xff\x00\x00\x40\x00" "\x08\x00\x01\x00\x72\x65\x64\x00\x24\x01\x02\x00" "\x08\x00\x06\x00\x00\x00\x00\x00\x14\x00\x01\x00" "\x00\x00\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x03\x00\x00\x04\x01\x02", 55); *(uint32_t*)0x20000784 = 0x150; *(uint32_t*)0x2000024c = 1; *(uint32_t*)0x20000250 = 0; *(uint32_t*)0x20000254 = 0; *(uint32_t*)0x20000258 = 0; syscall(__NR_sendmsg, (intptr_t)r[1], 0x20000240, 0); return 0; }