// https://syzkaller.appspot.com/bug?id=8220a8f376ad410bb013c26c6b28f8c03bebb936
// 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/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_prlimit64
#define __NR_prlimit64 261
#endif
#ifndef __NR_sched_setscheduler
#define __NR_sched_setscheduler 119
#endif
#ifndef __NR_write
#define __NR_write 64
#endif

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-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=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  prlimit64 arguments: [
  //    pid: pid (resource)
  //    res: rlimit_type = 0xe (8 bytes)
  //    new: nil
  //    old: nil
  //  ]
  syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul, /*new=*/0ul,
          /*old=*/0ul);
  //  sched_setscheduler arguments: [
  //    pid: pid (resource)
  //    policy: sched_policy = 0x2 (8 bytes)
  //    prio: ptr[in, int32] {
  //      int32 = 0x3 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x20000640 = 3;
  syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_RR*/ 2ul,
          /*prio=*/0x20000640ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {63 70 75 2e 73 74 61 74 00} (length 0x9)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x20000080, "cpu.stat\000", 9);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000080ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write$UHID_CREATE2 arguments: [
  //    fd: fd_uhid (resource)
  //    data: nil
  //    len: len = 0x118 (8 bytes)
  //  ]
  syscall(__NR_write, /*fd=*/r[0], /*data=*/0ul, /*len=*/0x118ul);
  //  mmap arguments: [
  //    addr: VMA[0x3000]
  //    len: len = 0x3000 (8 bytes)
  //    prot: mmap_prot = 0x5 (8 bytes)
  //    flags: mmap_flags = 0x12 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x3000ul,
          /*prot=PROT_READ|PROT_EXEC*/ 5ul,
          /*flags=MAP_FIXED|MAP_PRIVATE*/ 0x12ul, /*fd=*/r[0], /*offset=*/0ul);
  //  ioctl$BTRFS_IOC_SEND arguments: [
  //    fd: fd (resource)
  //    cmd: const = 0xd0009411 (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0xd0009411, /*arg=*/0ul);
  return 0;
}