// https://syzkaller.appspot.com/bug?id=6a4363e107e4a2a827af028b12b9adfa20792597
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#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>

#ifndef __NR_io_uring_enter
#define __NR_io_uring_enter 426
#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

struct io_sqring_offsets {
  uint32_t head;
  uint32_t tail;
  uint32_t ring_mask;
  uint32_t ring_entries;
  uint32_t flags;
  uint32_t dropped;
  uint32_t array;
  uint32_t resv1;
  uint64_t resv2;
};

struct io_cqring_offsets {
  uint32_t head;
  uint32_t tail;
  uint32_t ring_mask;
  uint32_t ring_entries;
  uint32_t overflow;
  uint32_t cqes;
  uint64_t resv[2];
};

struct io_uring_params {
  uint32_t sq_entries;
  uint32_t cq_entries;
  uint32_t flags;
  uint32_t sq_thread_cpu;
  uint32_t sq_thread_idle;
  uint32_t features;
  uint32_t resv[4];
  struct io_sqring_offsets sq_off;
  struct io_cqring_offsets cq_off;
};

#define IORING_OFF_SQ_RING 0
#define IORING_OFF_SQES 0x10000000ULL

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;
}

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  intptr_t res = 0;
  *(uint32_t*)0x20000244 = 0;
  *(uint32_t*)0x20000248 = 0;
  *(uint32_t*)0x2000024c = 0;
  *(uint32_t*)0x20000250 = 0;
  *(uint32_t*)0x20000258 = -1;
  memset((void*)0x2000025c, 0, 12);
  res = -1;
  res = syz_io_uring_setup(0x4636, 0x20000240, 0x20002000, 0x20004000,
                           0x20000100, 0x20000040);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20001700 = 0;
  *(uint64_t*)0x20001708 = 8;
  *(uint64_t*)0x20001710 = 0xffffffffffffff2c;
  *(uint64_t*)0x20001718 = 0x58c2;
  *(uint64_t*)0x20001720 = 0;
  *(uint64_t*)0x20001728 = 0x20;
  *(uint64_t*)0x20001730 = 0x800;
  *(uint64_t*)0x20001738 = 0x7fffffff;
  *(uint64_t*)0x20001f28 = 0;
  *(uint64_t*)0x20001f30 = 8;
  *(uint64_t*)0x20001f38 = 3;
  *(uint64_t*)0x20001f40 = 0x45f;
  *(uint64_t*)0x20001f48 = 0xffffffff;
  *(uint64_t*)0x20001f50 = 0x40;
  *(uint64_t*)0x20001f58 = 2;
  *(uint64_t*)0x20001f60 = 4;
  *(uint64_t*)0x20001f68 = 0x598;
  *(uint64_t*)0x20001f70 = 6;
  *(uint64_t*)0x20001f78 = 4;
  *(uint64_t*)0x20001f80 = 0x100;
  *(uint64_t*)0x20001f88 = 0x1000;
  *(uint64_t*)0x20001f90 = 5;
  *(uint64_t*)0x20001f98 = 0xcf;
  *(uint64_t*)0x20001fa0 = 0x7f;
  *(uint64_t*)0x20001fa8 = 1;
  *(uint64_t*)0x20001fb0 = 0xd734;
  *(uint64_t*)0x20001fb8 = 0x24f787af;
  *(uint64_t*)0x20001fc0 = 6;
  *(uint64_t*)0x20001fc8 = -1;
  *(uint64_t*)0x20001fd0 = 0x3f;
  *(uint64_t*)0x20001fd8 = 3;
  *(uint64_t*)0x20001fe0 = 0x8b5;
  *(uint64_t*)0x20001fe8 = 2;
  *(uint64_t*)0x20001ff0 = 3;
  *(uint64_t*)0x20001ff8 = 1;
  *(uint64_t*)0x20002000 = 5;
  *(uint64_t*)0x20002008 = 3;
  *(uint64_t*)0x20002010 = 0xffffffffffffff5e;
  *(uint64_t*)0x20002018 = 2;
  *(uint64_t*)0x20002020 = 0x67fc;
  *(uint64_t*)0x20002028 = 0x80000001;
  *(uint64_t*)0x20002030 = 4;
  *(uint64_t*)0x20002038 = -1;
  *(uint64_t*)0x20002040 = 3;
  *(uint64_t*)0x20002048 = 0x7f;
  *(uint64_t*)0x20002050 = 0x2d7;
  *(uint64_t*)0x20002058 = 1;
  *(uint64_t*)0x20002060 = 7;
  *(uint64_t*)0x20002068 = 1;
  *(uint64_t*)0x20002070 = 6;
  *(uint64_t*)0x20002078 = 2;
  *(uint64_t*)0x20002080 = 0x401;
  *(uint64_t*)0x20002088 = 0xe5;
  *(uint64_t*)0x20002090 = 6;
  *(uint64_t*)0x20002098 = 0x400;
  *(uint64_t*)0x200020a0 = 0xfffffffffffffffb;
  *(uint64_t*)0x200020a8 = 7;
  *(uint64_t*)0x200020b0 = 0xcfb;
  *(uint64_t*)0x200020b8 = 4;
  *(uint64_t*)0x200020c0 = 4;
  *(uint64_t*)0x200020c8 = 0xb1ae;
  *(uint64_t*)0x200020d0 = 0x1000;
  *(uint64_t*)0x200020d8 = 0x400;
  *(uint64_t*)0x200020e0 = 7;
  *(uint64_t*)0x200020e8 = 0x196812b4;
  *(uint64_t*)0x200020f0 = 9;
  *(uint64_t*)0x200020f8 = 4;
  *(uint64_t*)0x20002100 = 0xffff;
  *(uint64_t*)0x20002108 = 8;
  *(uint64_t*)0x20002110 = 4;
  *(uint64_t*)0x20002118 = 1;
  *(uint64_t*)0x20002120 = 0x7e0eb64f;
  syscall(__NR_ioctl, -1, 0xca289435, 0x20001700ul);
  syscall(__NR_io_uring_enter, r[0], 0x2fe, 0, 0ul, 0ul, 0ul);
  return 0;
}