// https://syzkaller.appspot.com/bug?id=a9073dd9b6ff7f323acb14f0ada3264a098dc2ff
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    unsigned long nb = a1;
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(nb % 10);
      nb /= 10;
    }
    return open(buf, a2 & ~O_CREAT, 0);
  }
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 15000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[7] = {0xffffffffffffffff,
                 0xffffffffffffffff,
                 0xffffffffffffffff,
                 0x0,
                 0x0,
                 0x0,
                 0x0};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_open_dev$dri arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 64 72 69 2f 63 61 72 64 23 00} (length 0xf)
  //    }
  //    id: intptr = 0x1 (8 bytes)
  //    flags: open_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_dri
  memcpy((void*)0x20000080, "/dev/dri/card#\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000080, /*id=*/1, /*flags=*/0);
  if (res != -1)
    r[0] = res;
  //  syz_open_dev$dri arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 64 72 69 2f 63 61 72 64 23 00} (length 0xf)
  //    }
  //    id: intptr = 0x1ff (8 bytes)
  //    flags: open_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_dri
  memcpy((void*)0x200000c0, "/dev/dri/card#\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x200000c0, /*id=*/0x1ff, /*flags=*/0);
  if (res != -1)
    r[1] = res;
  //  syz_open_dev$dri arguments: [
  //    dev: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 64 72 69 2f 63 61 72 64 23 00} (length 0xf)
  //    }
  //    id: intptr = 0x1 (8 bytes)
  //    flags: open_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_dri
  memcpy((void*)0x20000080, "/dev/dri/card#\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x20000080, /*id=*/1, /*flags=*/0);
  if (res != -1)
    r[2] = res;
  //  ioctl$DRM_IOCTL_MODE_GETRESOURCES arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc04064a0 (4 bytes)
  //    arg: ptr[inout, drm_mode_card_res] {
  //      drm_mode_card_res {
  //        fbid: nil
  //        crtcid: nil
  //        connid: ptr[out, array[drm_connector_id]] {
  //          array[drm_connector_id] {
  //            drm_connector_id (resource)
  //          }
  //        }
  //        encid: nil
  //        nfbid: len = 0x0 (4 bytes)
  //        ncrtcid: len = 0x0 (4 bytes)
  //        nconnid: len = 0x1 (4 bytes)
  //        nencid: len = 0x0 (4 bytes)
  //        maxw: const = 0x0 (4 bytes)
  //        maxh: const = 0x0 (4 bytes)
  //        minw: const = 0x0 (4 bytes)
  //        minh: const = 0x0 (4 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x20000540 = 0;
  *(uint64_t*)0x20000548 = 0;
  *(uint64_t*)0x20000550 = 0x200004c0;
  *(uint64_t*)0x20000558 = 0;
  *(uint32_t*)0x20000560 = 0;
  *(uint32_t*)0x20000564 = 0;
  *(uint32_t*)0x20000568 = 1;
  *(uint32_t*)0x2000056c = 0;
  *(uint32_t*)0x20000570 = 0;
  *(uint32_t*)0x20000574 = 0;
  *(uint32_t*)0x20000578 = 0;
  *(uint32_t*)0x2000057c = 0;
  res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc04064a0,
                /*arg=*/0x20000540ul);
  if (res != -1)
    r[3] = *(uint32_t*)0x200004c0;
  //  ioctl$DRM_IOCTL_SET_CLIENT_CAP arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0x4010640d (4 bytes)
  //    arg: ptr[in, drm_get_cap] {
  //      drm_get_cap {
  //        cap: drm_cap = 0x3 (8 bytes)
  //        val: const = 0x2 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x20000000 = 3;
  *(uint64_t*)0x20000008 = 2;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x4010640d, /*arg=*/0x20000000ul);
  //  ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc01064b5 (4 bytes)
  //    arg: ptr[inout, drm_mode_get_plane_res] {
  //      drm_mode_get_plane_res {
  //        ids: ptr[out, array[drm_plane_id]] {
  //          array[drm_plane_id] {
  //            drm_plane_id (resource)
  //          }
  //        }
  //        cnt: len = 0x1 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x20000140 = 0x20000100;
  *(uint32_t*)0x20000148 = 1;
  res = syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0xc01064b5,
                /*arg=*/0x20000140ul);
  if (res != -1)
    r[4] = *(uint32_t*)0x20000100;
  //  ioctl$DRM_IOCTL_MODE_GETPLANE arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc02064b6 (4 bytes)
  //    arg: ptr[inout, drm_mode_get_plane] {
  //      drm_mode_get_plane {
  //        plane_id: drm_plane_id (resource)
  //        crtc_id: drm_crtc_id (resource)
  //        fb_id: drm_fb_id (resource)
  //        possible_crtcs: const = 0x0 (4 bytes)
  //        gamma_size: const = 0x0 (4 bytes)
  //        count_format_types: len = 0x0 (4 bytes)
  //        format_type_ptr: nil
  //      }
  //    }
  //  ]
  *(uint32_t*)0x200001c0 = r[4];
  *(uint32_t*)0x200001c4 = 0;
  *(uint32_t*)0x200001c8 = 0;
  *(uint32_t*)0x200001cc = 0;
  *(uint32_t*)0x200001d0 = 0;
  *(uint32_t*)0x200001d4 = 0;
  *(uint64_t*)0x200001d8 = 0;
  res = syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0xc02064b6,
                /*arg=*/0x200001c0ul);
  if (res != -1)
    r[5] = *(uint32_t*)0x200001c8;
  //  ioctl$DRM_IOCTL_MODE_GETPLANE arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc02064b6 (4 bytes)
  //    arg: ptr[inout, drm_mode_get_plane] {
  //      drm_mode_get_plane {
  //        plane_id: drm_plane_id (resource)
  //        crtc_id: drm_crtc_id (resource)
  //        fb_id: drm_fb_id (resource)
  //        possible_crtcs: const = 0x0 (4 bytes)
  //        gamma_size: const = 0x0 (4 bytes)
  //        count_format_types: len = 0x0 (4 bytes)
  //        format_type_ptr: nil
  //      }
  //    }
  //  ]
  *(uint32_t*)0x20000200 = r[4];
  *(uint32_t*)0x20000204 = 0;
  *(uint32_t*)0x20000208 = 0;
  *(uint32_t*)0x2000020c = 0;
  *(uint32_t*)0x20000210 = 0;
  *(uint32_t*)0x20000214 = 0;
  *(uint64_t*)0x20000218 = 0;
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xc02064b6,
                /*arg=*/0x20000200ul);
  if (res != -1)
    r[6] = *(uint32_t*)0x20000204;
  //  ioctl$DRM_IOCTL_MODE_SETCRTC arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc06864a2 (4 bytes)
  //    arg: ptr[in, drm_mode_crtc$DRM_IOCTL_MODE_SETCRTC] {
  //      drm_mode_crtc$DRM_IOCTL_MODE_SETCRTC {
  //        set_connectors_ptr: ptr[in, array[drm_connector_id]] {
  //          array[drm_connector_id] {
  //            drm_connector_id (resource)
  //          }
  //        }
  //        count_connectors: len = 0x1 (4 bytes)
  //        crtc_id: drm_crtc_id (resource)
  //        fb_id: drm_fb_id (resource)
  //        x: int32 = 0x0 (4 bytes)
  //        y: int32 = 0x0 (4 bytes)
  //        gamma_size: int32 = 0x0 (4 bytes)
  //        mode_valid: int32 = 0x8 (4 bytes)
  //        mode: drm_mode_modeinfo {
  //          clock: int32 = 0x4 (4 bytes)
  //          hdisplay: int16 = 0x1 (2 bytes)
  //          hsync_start: int16 = 0x3 (2 bytes)
  //          hsync_end: int16 = 0x69 (2 bytes)
  //          htotal: int16 = 0x200 (2 bytes)
  //          hskew: int16 = 0x0 (2 bytes)
  //          vdisplay: int16 = 0x1 (2 bytes)
  //          vsync_start: int16 = 0x5 (2 bytes)
  //          vsync_end: int16 = 0x4dab (2 bytes)
  //          vtotal: int16 = 0x8000 (2 bytes)
  //          vscan: int16 = 0xfffe (2 bytes)
  //          vrefresh: int32 = 0x0 (4 bytes)
  //          flags: int32 = 0x237 (4 bytes)
  //          type: int32 = 0x0 (4 bytes)
  //          name: buffer: {fe 1d 0e 22 3e de 04 a6 a7 70 f5 db e6 0b 0b d1 7b
  //          48 12 40 ff 8e b8 39 77 36 ec 02 68 20 8f 7d} (length 0x20)
  //        }
  //      }
  //    }
  //  ]
  *(uint64_t*)0x20000400 = 0x20000480;
  *(uint32_t*)0x20000480 = r[3];
  *(uint32_t*)0x20000408 = 1;
  *(uint32_t*)0x2000040c = r[6];
  *(uint32_t*)0x20000410 = r[5];
  *(uint32_t*)0x20000414 = 0;
  *(uint32_t*)0x20000418 = 0;
  *(uint32_t*)0x2000041c = 0;
  *(uint32_t*)0x20000420 = 8;
  *(uint32_t*)0x20000424 = 4;
  *(uint16_t*)0x20000428 = 1;
  *(uint16_t*)0x2000042a = 3;
  *(uint16_t*)0x2000042c = 0x69;
  *(uint16_t*)0x2000042e = 0x200;
  *(uint16_t*)0x20000430 = 0;
  *(uint16_t*)0x20000432 = 1;
  *(uint16_t*)0x20000434 = 5;
  *(uint16_t*)0x20000436 = 0x4dab;
  *(uint16_t*)0x20000438 = 0x8000;
  *(uint16_t*)0x2000043a = 0xfffe;
  *(uint32_t*)0x2000043c = 0;
  *(uint32_t*)0x20000440 = 0x237;
  *(uint32_t*)0x20000444 = 0;
  memcpy((void*)0x20000448,
         "\xfe\x1d\x0e\x22\x3e\xde\x04\xa6\xa7\x70\xf5\xdb\xe6\x0b\x0b\xd1\x7b"
         "\x48\x12\x40\xff\x8e\xb8\x39\x77\x36\xec\x02\x68\x20\x8f\x7d",
         32);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc06864a2, /*arg=*/0x20000400ul);
}
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;
  loop();
  return 0;
}