/* SPDX-License-Identifier: MIT */

// autogenerated by syzkaller (https://github.com/google/syzkaller)



#include <endian.h>

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/mman.h>

#include <sys/syscall.h>

#include <sys/types.h>

#include <unistd.h>



#include "helpers.h"



#ifndef CONFIG_USE_SANITIZER

#ifndef __NR_io_uring_register

#define __NR_io_uring_register 427

#endif

#ifndef __NR_io_uring_setup

#define __NR_io_uring_setup 425

#endif



#define SIZEOF_IO_URING_SQE 64

#define SIZEOF_IO_URING_CQE 16

#define SQ_HEAD_OFFSET 0

#define SQ_TAIL_OFFSET 64

#define SQ_RING_MASK_OFFSET 256

#define SQ_RING_ENTRIES_OFFSET 264

#define SQ_FLAGS_OFFSET 276

#define SQ_DROPPED_OFFSET 272

#define CQ_HEAD_OFFSET 128

#define CQ_TAIL_OFFSET 192

#define CQ_RING_MASK_OFFSET 260

#define CQ_RING_ENTRIES_OFFSET 268

#define CQ_RING_OVERFLOW_OFFSET 284

#define CQ_FLAGS_OFFSET 280

#define CQ_CQES_OFFSET 320



static long syz_io_uring_setup(volatile long a0, volatile long a1, volatile long a2, volatile long a3, volatile long a4, volatile long a5)

{

	uint32_t entries = (uint32_t)a0;

	struct io_uring_params* setup_params = (struct io_uring_params*)a1;

	void* vma1 = (void*)a2;

	void* vma2 = (void*)a3;

	void** ring_ptr_out = (void**)a4;

	void** sqes_ptr_out = (void**)a5;

	uint32_t fd_io_uring = syscall(__NR_io_uring_setup, entries, setup_params);

	uint32_t sq_ring_sz = setup_params->sq_off.array + setup_params->sq_entries * sizeof(uint32_t);

	uint32_t cq_ring_sz = setup_params->cq_off.cqes + setup_params->cq_entries * SIZEOF_IO_URING_CQE;

	uint32_t ring_sz = sq_ring_sz > cq_ring_sz ? sq_ring_sz : cq_ring_sz;

	*ring_ptr_out = mmap(vma1, ring_sz, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE | MAP_FIXED, fd_io_uring, IORING_OFF_SQ_RING);

	uint32_t sqes_sz = setup_params->sq_entries * SIZEOF_IO_URING_SQE;

	*sqes_ptr_out = mmap(vma2, sqes_sz, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE | MAP_FIXED, fd_io_uring, IORING_OFF_SQES);

	return fd_io_uring;

}



static uint64_t r[1] = {0xffffffffffffffff};



int main(int argc, char *argv[])

{

	intptr_t res = 0;



	if (argc > 1)

		return T_EXIT_SKIP;



	mmap((void *) 0x1ffff000ul, 0x1000ul, PROT_NONE,

		MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0ul);

	mmap((void *) 0x20000000ul, 0x1000000ul, PROT_READ|PROT_WRITE|PROT_EXEC,

		MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0ul);

	mmap((void *) 0x21000000ul, 0x1000ul, PROT_NONE,

		MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0ul);



	*(uint32_t*)0x20000684 = 0;

	*(uint32_t*)0x20000688 = 0;

	*(uint32_t*)0x2000068c = 0;

	*(uint32_t*)0x20000690 = 0;

	*(uint32_t*)0x20000698 = -1;

	memset((void*)0x2000069c, 0, 12);



	res = syz_io_uring_setup(0x2fd6, 0x20000680, 0x20ffd000, 0x20ffc000,

					0x20000700, 0x20000740);

	if (res != -1)

		r[0] = res;



	*(uint64_t*)0x20002840 = 0;

	*(uint64_t*)0x20002848 = 0;

	*(uint64_t*)0x20002850 = 0x20000840;

	*(uint64_t*)0x20002858 = 0x1000;

	syscall(__NR_io_uring_register, r[0], 0ul, 0x20002840ul, 2ul);

	return T_EXIT_PASS;

}

#else

int main(int argc, char *argv[])

{

	return T_EXIT_SKIP;

}

#endif