// https://syzkaller.appspot.com/bug?id=7306b1a3b2162a7def7be218dbd73af14dbd4d96
// autogenerated by syzkaller (https://github.com/google/syzkaller)
#define _GNU_SOURCE
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.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>
#include <linux/loop.h>
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif
static unsigned long long procid;
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 void use_temporary_dir(void)
{
char tmpdir_template[] = "./syzkaller.XXXXXX";
char* tmpdir = mkdtemp(tmpdir_template);
if (!tmpdir)
exit(1);
if (chmod(tmpdir, 0777))
exit(1);
if (chdir(tmpdir))
exit(1);
}
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;
}
//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:
//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty. In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//% claim that you wrote the original software. If you use this software
//% in a product, an acknowledgment in the product documentation would be
//% appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//% misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler madler@alumni.caltech.edu
//% BEGIN CODE DERIVED FROM puff.{c,h}
#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288
struct puff_state {
unsigned char* out;
unsigned long outlen;
unsigned long outcnt;
const unsigned char* in;
unsigned long inlen;
unsigned long incnt;
int bitbuf;
int bitcnt;
jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
long val = s->bitbuf;
while (s->bitcnt < need) {
if (s->incnt == s->inlen)
longjmp(s->env, 1);
val |= (long)(s->in[s->incnt++]) << s->bitcnt;
s->bitcnt += 8;
}
s->bitbuf = (int)(val >> need);
s->bitcnt -= need;
return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
s->bitbuf = 0;
s->bitcnt = 0;
if (s->incnt + 4 > s->inlen)
return 2;
unsigned len = s->in[s->incnt++];
len |= s->in[s->incnt++] << 8;
if (s->in[s->incnt++] != (~len & 0xff) ||
s->in[s->incnt++] != ((~len >> 8) & 0xff))
return -2;
if (s->incnt + len > s->inlen)
return 2;
if (s->outcnt + len > s->outlen)
return 1;
for (; len--; s->outcnt++, s->incnt++) {
if (s->in[s->incnt])
s->out[s->outcnt] = s->in[s->incnt];
}
return 0;
}
struct puff_huffman {
short* count;
short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
int first = 0;
int index = 0;
int bitbuf = s->bitbuf;
int left = s->bitcnt;
int code = first = index = 0;
int len = 1;
short* next = h->count + 1;
while (1) {
while (left--) {
code |= bitbuf & 1;
bitbuf >>= 1;
int count = *next++;
if (code - count < first) {
s->bitbuf = bitbuf;
s->bitcnt = (s->bitcnt - len) & 7;
return h->symbol[index + (code - first)];
}
index += count;
first += count;
first <<= 1;
code <<= 1;
len++;
}
left = (MAXBITS + 1) - len;
if (left == 0)
break;
if (s->incnt == s->inlen)
longjmp(s->env, 1);
bitbuf = s->in[s->incnt++];
if (left > 8)
left = 8;
}
return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
int len;
for (len = 0; len <= MAXBITS; len++)
h->count[len] = 0;
int symbol;
for (symbol = 0; symbol < n; symbol++)
(h->count[length[symbol]])++;
if (h->count[0] == n)
return 0;
int left = 1;
for (len = 1; len <= MAXBITS; len++) {
left <<= 1;
left -= h->count[len];
if (left < 0)
return left;
}
short offs[MAXBITS + 1];
offs[1] = 0;
for (len = 1; len < MAXBITS; len++)
offs[len + 1] = offs[len] + h->count[len];
for (symbol = 0; symbol < n; symbol++)
if (length[symbol] != 0)
h->symbol[offs[length[symbol]]++] = symbol;
return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
const struct puff_huffman* distcode)
{
static const short lens[29] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 13,
15, 17, 19, 23, 27, 31, 35, 43, 51, 59,
67, 83, 99, 115, 131, 163, 195, 227, 258};
static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
static const short dists[30] = {
1, 2, 3, 4, 5, 7, 9, 13, 17, 25,
33, 49, 65, 97, 129, 193, 257, 385, 513, 769,
1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
static const short dext[30] = {0, 0, 0, 0, 1, 1, 2, 2, 3, 3,
4, 4, 5, 5, 6, 6, 7, 7, 8, 8,
9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
int symbol;
do {
symbol = puff_decode(s, lencode);
if (symbol < 0)
return symbol;
if (symbol < 256) {
if (s->outcnt == s->outlen)
return 1;
if (symbol)
s->out[s->outcnt] = symbol;
s->outcnt++;
} else if (symbol > 256) {
symbol -= 257;
if (symbol >= 29)
return -10;
int len = lens[symbol] + puff_bits(s, lext[symbol]);
symbol = puff_decode(s, distcode);
if (symbol < 0)
return symbol;
unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
if (dist > s->outcnt)
return -11;
if (s->outcnt + len > s->outlen)
return 1;
while (len--) {
if (dist <= s->outcnt && s->out[s->outcnt - dist])
s->out[s->outcnt] = s->out[s->outcnt - dist];
s->outcnt++;
}
}
} while (symbol != 256);
return 0;
}
static int puff_fixed(struct puff_state* s)
{
static int virgin = 1;
static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
static struct puff_huffman lencode, distcode;
if (virgin) {
lencode.count = lencnt;
lencode.symbol = lensym;
distcode.count = distcnt;
distcode.symbol = distsym;
short lengths[FIXLCODES];
int symbol;
for (symbol = 0; symbol < 144; symbol++)
lengths[symbol] = 8;
for (; symbol < 256; symbol++)
lengths[symbol] = 9;
for (; symbol < 280; symbol++)
lengths[symbol] = 7;
for (; symbol < FIXLCODES; symbol++)
lengths[symbol] = 8;
puff_construct(&lencode, lengths, FIXLCODES);
for (symbol = 0; symbol < MAXDCODES; symbol++)
lengths[symbol] = 5;
puff_construct(&distcode, lengths, MAXDCODES);
virgin = 0;
}
return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
static const short order[19] = {16, 17, 18, 0, 8, 7, 9, 6, 10, 5,
11, 4, 12, 3, 13, 2, 14, 1, 15};
int nlen = puff_bits(s, 5) + 257;
int ndist = puff_bits(s, 5) + 1;
int ncode = puff_bits(s, 4) + 4;
if (nlen > MAXLCODES || ndist > MAXDCODES)
return -3;
short lengths[MAXCODES];
int index;
for (index = 0; index < ncode; index++)
lengths[order[index]] = puff_bits(s, 3);
for (; index < 19; index++)
lengths[order[index]] = 0;
short lencnt[MAXBITS + 1], lensym[MAXLCODES];
struct puff_huffman lencode = {lencnt, lensym};
int err = puff_construct(&lencode, lengths, 19);
if (err != 0)
return -4;
index = 0;
while (index < nlen + ndist) {
int symbol;
int len;
symbol = puff_decode(s, &lencode);
if (symbol < 0)
return symbol;
if (symbol < 16)
lengths[index++] = symbol;
else {
len = 0;
if (symbol == 16) {
if (index == 0)
return -5;
len = lengths[index - 1];
symbol = 3 + puff_bits(s, 2);
} else if (symbol == 17)
symbol = 3 + puff_bits(s, 3);
else
symbol = 11 + puff_bits(s, 7);
if (index + symbol > nlen + ndist)
return -6;
while (symbol--)
lengths[index++] = len;
}
}
if (lengths[256] == 0)
return -9;
err = puff_construct(&lencode, lengths, nlen);
if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
return -7;
short distcnt[MAXBITS + 1], distsym[MAXDCODES];
struct puff_huffman distcode = {distcnt, distsym};
err = puff_construct(&distcode, lengths + nlen, ndist);
if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
return -8;
return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
const unsigned char* source, unsigned long sourcelen)
{
struct puff_state s = {
.out = dest,
.outlen = *destlen,
.outcnt = 0,
.in = source,
.inlen = sourcelen,
.incnt = 0,
.bitbuf = 0,
.bitcnt = 0,
};
int err;
if (setjmp(s.env) != 0)
err = 2;
else {
int last;
do {
last = puff_bits(&s, 1);
int type = puff_bits(&s, 2);
err = type == 0 ? puff_stored(&s)
: (type == 1 ? puff_fixed(&s)
: (type == 2 ? puff_dynamic(&s) : -1));
if (err != 0)
break;
} while (!last);
}
*destlen = s.outcnt;
return err;
}
//% END CODE DERIVED FROM puff.{c,h}
#define ZLIB_HEADER_WIDTH 2
static int puff_zlib_to_file(const unsigned char* source,
unsigned long sourcelen, int dest_fd)
{
if (sourcelen < ZLIB_HEADER_WIDTH)
return 0;
source += ZLIB_HEADER_WIDTH;
sourcelen -= ZLIB_HEADER_WIDTH;
const unsigned long max_destlen = 132 << 20;
void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (ret == MAP_FAILED)
return -1;
unsigned char* dest = (unsigned char*)ret;
unsigned long destlen = max_destlen;
int err = puff(dest, &destlen, source, sourcelen);
if (err) {
munmap(dest, max_destlen);
errno = -err;
return -1;
}
if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
munmap(dest, max_destlen);
return -1;
}
return munmap(dest, max_destlen);
}
static int setup_loop_device(unsigned char* data, unsigned long size,
const char* loopname, int* loopfd_p)
{
int err = 0, loopfd = -1;
int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
if (memfd == -1) {
err = errno;
goto error;
}
if (puff_zlib_to_file(data, size, memfd)) {
err = errno;
goto error_close_memfd;
}
loopfd = open(loopname, O_RDWR);
if (loopfd == -1) {
err = errno;
goto error_close_memfd;
}
if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
if (errno != EBUSY) {
err = errno;
goto error_close_loop;
}
ioctl(loopfd, LOOP_CLR_FD, 0);
usleep(1000);
if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
err = errno;
goto error_close_loop;
}
}
close(memfd);
*loopfd_p = loopfd;
return 0;
error_close_loop:
close(loopfd);
error_close_memfd:
close(memfd);
error:
errno = err;
return -1;
}
static void reset_loop_device(const char* loopname)
{
int loopfd = open(loopname, O_RDWR);
if (loopfd == -1) {
return;
}
if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
}
close(loopfd);
}
static long syz_mount_image(volatile long fsarg, volatile long dir,
volatile long flags, volatile long optsarg,
volatile long change_dir,
volatile unsigned long size, volatile long image)
{
unsigned char* data = (unsigned char*)image;
int res = -1, err = 0, need_loop_device = !!size;
char* mount_opts = (char*)optsarg;
char* target = (char*)dir;
char* fs = (char*)fsarg;
char* source = NULL;
char loopname[64];
if (need_loop_device) {
int loopfd;
memset(loopname, 0, sizeof(loopname));
snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
if (setup_loop_device(data, size, loopname, &loopfd) == -1)
return -1;
close(loopfd);
source = loopname;
}
mkdir(target, 0777);
char opts[256];
memset(opts, 0, sizeof(opts));
if (strlen(mount_opts) > (sizeof(opts) - 32)) {
}
strncpy(opts, mount_opts, sizeof(opts) - 32);
if (strcmp(fs, "iso9660") == 0) {
flags |= MS_RDONLY;
} else if (strncmp(fs, "ext", 3) == 0) {
bool has_remount_ro = false;
char* remount_ro_start = strstr(opts, "errors=remount-ro");
if (remount_ro_start != NULL) {
char after = *(remount_ro_start + strlen("errors=remount-ro"));
char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
has_remount_ro = ((before == '\0' || before == ',') &&
(after == '\0' || after == ','));
}
if (strstr(opts, "errors=panic") || !has_remount_ro)
strcat(opts, ",errors=continue");
} else if (strcmp(fs, "xfs") == 0) {
strcat(opts, ",nouuid");
}
res = mount(source, target, fs, flags, opts);
if (res == -1) {
err = errno;
goto error_clear_loop;
}
res = open(target, O_RDONLY | O_DIRECTORY);
if (res == -1) {
err = errno;
goto error_clear_loop;
}
if (change_dir) {
res = chdir(target);
if (res == -1) {
err = errno;
}
}
error_clear_loop:
if (need_loop_device)
reset_loop_device(loopname);
errno = err;
return res;
}
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
int iter = 0;
DIR* dp = 0;
retry:
const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;
while (umount2(dir, umount_flags) == 0) {
}
dp = opendir(dir);
if (dp == NULL) {
if (errno == EMFILE) {
exit(1);
}
exit(1);
}
struct dirent* ep = 0;
while ((ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
continue;
char filename[FILENAME_MAX];
snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
while (umount2(filename, umount_flags) == 0) {
}
struct stat st;
if (lstat(filename, &st))
exit(1);
if (S_ISDIR(st.st_mode)) {
remove_dir(filename);
continue;
}
int i;
for (i = 0;; i++) {
if (unlink(filename) == 0)
break;
if (errno == EPERM) {
int fd = open(filename, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno != EBUSY || i > 100)
exit(1);
if (umount2(filename, umount_flags))
exit(1);
}
}
closedir(dp);
for (int i = 0;; i++) {
if (rmdir(dir) == 0)
break;
if (i < 100) {
if (errno == EPERM) {
int fd = open(dir, O_RDONLY);
if (fd != -1) {
long flags = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
}
close(fd);
continue;
}
}
if (errno == EROFS) {
break;
}
if (errno == EBUSY) {
if (umount2(dir, umount_flags))
exit(1);
continue;
}
if (errno == ENOTEMPTY) {
if (iter < 100) {
iter++;
goto retry;
}
}
}
exit(1);
}
}
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 reset_loop()
{
char buf[64];
snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
int loopfd = open(buf, O_RDWR);
if (loopfd != -1) {
ioctl(loopfd, LOOP_CLR_FD, 0);
close(loopfd);
}
}
static void setup_test()
{
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
setpgrp();
write_file("/proc/self/oom_score_adj", "1000");
if (symlink("/dev/binderfs", "./binderfs")) {
}
}
static void setup_sysctl()
{
char mypid[32];
snprintf(mypid, sizeof(mypid), "%d", getpid());
struct {
const char* name;
const char* data;
} files[] = {
{"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
{"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
{"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
{"/proc/sys/net/core/bpf_jit_harden", "0"},
{"/proc/sys/kernel/kptr_restrict", "0"},
{"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
{"/proc/sys/fs/mount-max", "100"},
{"/proc/sys/vm/oom_dump_tasks", "0"},
{"/proc/sys/debug/exception-trace", "0"},
{"/proc/sys/kernel/printk", "7 4 1 3"},
{"/proc/sys/kernel/keys/gc_delay", "1"},
{"/proc/sys/vm/oom_kill_allocating_task", "1"},
{"/proc/sys/kernel/ctrl-alt-del", "0"},
{"/proc/sys/kernel/cad_pid", mypid},
};
for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
if (!write_file(files[i].name, files[i].data))
printf("write to %s failed: %s\n", files[i].name, strerror(errno));
}
}
static void execute_one(void);
#define WAIT_FLAGS __WALL
static void loop(void)
{
int iter = 0;
for (;; iter++) {
char cwdbuf[32];
sprintf(cwdbuf, "./%d", iter);
if (mkdir(cwdbuf, 0777))
exit(1);
reset_loop();
int pid = fork();
if (pid < 0)
exit(1);
if (pid == 0) {
if (chdir(cwdbuf))
exit(1);
setup_test();
execute_one();
exit(0);
}
int status = 0;
uint64_t start = current_time_ms();
for (;;) {
if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
break;
sleep_ms(1);
if (current_time_ms() - start < 5000)
continue;
kill_and_wait(pid, &status);
break;
}
remove_dir(cwdbuf);
}
}
uint64_t r[1] = {0xffffffffffffffff};
void execute_one(void)
{
intptr_t res = 0;
memcpy((void*)0x20000780, "ext4\000", 5);
memcpy((void*)0x20000240, "./file0\000", 8);
*(uint8_t*)0x200001c0 = 0;
sprintf((char*)0x200001c1, "0x%016llx", (long long)-1);
*(uint32_t*)0x200001d3 = -1;
memcpy(
(void*)0x20000fc0,
"\x78\x9c\xec\xdd\xdf\x6b\x5b\x55\x1c\x00\xf0\xef\x4d\xdb\x75\xed\xa6\xad"
"\x20\xe8\x7c\x2a\x08\x5a\x18\x4b\xed\xac\x9b\x82\x0f\x13\x1f\x44\x70\x30"
"\xd0\x67\xb7\x90\x66\x65\x36\x6d\x46\x93\x8e\xb5\x14\xdc\x10\xc1\x17\x41"
"\xc5\x07\x41\x5f\xf6\xec\x8f\xf9\xe6\xab\x3f\x5e\xf5\xbf\xf0\x41\x36\xa6"
"\x76\xc3\x89\x0f\x52\xb9\x69\xd2\x65\x6b\xd2\xa5\x5b\x93\x08\xf9\x7c\xe0"
"\x34\xe7\xdc\x7b\xd3\x73\xbe\x39\xf7\x9e\x7b\x92\x7b\x49\x02\xe8\x5b\x13"
"\xe9\x9f\x4c\xc4\xa1\x88\xf8\x28\x89\x18\xab\x2d\x4f\x22\x62\xa8\x9a\x1b"
"\x8c\x38\xb1\xb9\xdd\xed\xf5\xb5\x7c\x9a\x92\xd8\xd8\x78\xf3\x8f\xa4\xba"
"\xcd\xad\xf5\xb5\x7c\x34\x3c\x27\x75\xa0\x56\x78\x32\x22\x7e\x7c\x3f\xe2"
"\x70\x66\x7b\xbd\xe5\x95\xd5\xf9\x5c\xb1\x58\x58\xaa\x95\xa7\x2a\x0b\xe7"
"\xa7\xca\x2b\xab\x47\xce\x2d\xe4\xe6\x0a\x73\x85\xc5\x63\xd3\x33\x33\x47"
"\x8f\xbf\x70\xfc\xd8\xde\xc5\xfa\xd7\x2f\xab\x07\xaf\x7f\xfc\xda\xb3\xdf"
"\x9c\xf8\xe7\xbd\x27\xae\x7e\xf8\x53\x12\x27\xe2\x60\x6d\x5d\x63\x1c\x7b"
"\x65\x22\x26\x6a\xaf\xc9\x50\xfa\x12\xde\xe5\xd5\xbd\xae\xac\xc7\x92\x5e"
"\x37\x80\x07\x92\x1e\x9a\x03\x9b\x47\x79\x1c\x8a\xb1\x18\xa8\xe6\x5a\x18"
"\xe9\x66\xcb\x00\x80\x4e\x79\x37\x22\x36\x00\x80\x3e\x93\x38\xff\x03\x40"
"\x9f\xa9\x7f\x0e\x70\x6b\x7d\x2d\x5f\x4f\xbd\xfd\x44\xa2\xbb\x6e\xbc\x12"
"\x11\xfb\x37\xe3\xaf\x5f\xdf\xdc\x5c\x33\x58\xbb\x66\xb7\xbf\x7a\x1d\x74"
"\xf4\x56\x72\xd7\x95\x91\x24\x22\xc6\xf7\xa0\xfe\x89\x88\xf8\xe2\xbb\xb7"
"\xbf\x4a\x53\x74\xe8\x3a\x24\x40\x33\x97\x2e\x47\xc4\x99\xf1\x89\xed\xe3"
"\x7f\xb2\xed\x9e\x85\xdd\x7a\xae\x8d\x6d\x26\xee\x29\x1b\xff\xa0\x7b\xbe"
"\x4f\xe7\x3f\x2f\x36\x9b\xff\x65\xb6\xe6\x3f\xd1\x64\xfe\x33\xdc\xe4\xd8"
"\x7d\x10\xf7\x3f\xfe\x33\xd7\xf6\xa0\x9a\x96\xd2\xf9\xdf\xcb\x0d\xf7\xb6"
"\xdd\x6e\x88\xbf\x66\x7c\xa0\x56\x7a\xa4\x3a\xe7\x1b\x4a\xce\x9e\x2b\x16"
"\xd2\xb1\xed\xd1\x88\x98\x8c\xa1\xe1\xb4\x3c\xbd\x43\x1d\x93\x37\xff\xbd"
"\xd9\x6a\x5d\xe3\xfc\xef\xcf\x4f\xde\xf9\x32\xad\x3f\x7d\xbc\xb3\x45\xe6"
"\xda\xe0\xf0\xdd\xcf\x99\xcd\x55\x72\x0f\x13\x73\xa3\x1b\x97\x23\x9e\x1a"
"\x6c\x16\x7f\xb2\xd5\xff\x49\x8b\xf9\xef\xa9\x36\xeb\x78\xfd\xa5\x0f\x3e"
"\x6f\xb5\x2e\x8d\x3f\x8d\xb7\x9e\xb6\xc7\xdf\x59\x1b\x57\x22\x9e\x69\xda"
"\xff\x77\xee\x68\x4b\x76\xbc\x3f\x71\xaa\xba\x3b\x4c\xd5\x77\x8a\x26\xbe"
"\xfd\xf5\xb3\xd1\x56\xf5\x37\xf6\x7f\x9a\xd2\xfa\xeb\xef\x05\xba\x21\xed"
"\xff\xd1\x9d\xe3\x1f\x4f\x1a\xef\xd7\x2c\xef\xbe\x8e\x9f\xaf\x8c\xfd\xd0"
"\x6a\xdd\xfd\xe3\x6f\xbe\xff\xef\x4b\xde\xaa\xe6\xf7\xd5\x96\x5d\xcc\x55"
"\x2a\x4b\xd3\x11\xfb\x92\x37\xb6\x2f\x3f\x7a\xe7\xb9\xf5\x72\x7d\xfb\x34"
"\xfe\xc9\xa7\x9b\x1f\xff\x3b\xed\xff\xe9\x7b\xc2\x33\x6d\xc6\x3f\x78\xfd"
"\xf7\xaf\x1f\x3c\xfe\xce\x4a\xe3\x9f\xdd\x55\xff\xef\x3e\x73\xf5\xf6\xfc"
"\x40\xab\xfa\xdb\xeb\xff\x99\x6a\x6e\xb2\xb6\xa4\x9d\xf1\xaf\xdd\x06\x3e"
"\xcc\x6b\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\xed\xca\x44\xc4\xc1\x48\x32\xd9\xad\x7c\x26\x93\xcd\x6e"
"\xfe\x86\xf7\xe3\x31\x9a\x29\x96\xca\x95\xc3\x67\x4b\xcb\x8b\xb3\x51\xfd"
"\xad\xec\xf1\x18\xca\xd4\xbf\xea\x72\xac\xe1\xfb\x50\xa7\x6b\xdf\x87\x5f"
"\x2f\x1f\xbd\xa7\xfc\x7c\x44\x3c\x16\x11\x9f\x0e\x8f\x54\xcb\xd9\x7c\xa9"
"\x38\xdb\xeb\xe0\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa0"
"\xe6\x40\x8b\xdf\xff\x4f\xfd\x36\xdc\xeb\xd6\x01\x00\x1d\xb3\xbf\xd7\x0d"
"\x00\x00\xba\xce\xf9\x1f\x00\xfa\xcf\xee\xce\xff\x23\x1d\x6b\x07\x00\xd0"
"\x3d\xde\xff\x03\x40\xff\x71\xfe\x07\x80\xfe\xe3\xfc\x0f\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x87\x9d\x3a\x79\x32\x4d\x1b"
"\x7f\xaf\xaf\xe5\xd3\xf2\xec\x85\x95\xe5\xf9\xd2\x85\x23\xb3\x85\xf2\x7c"
"\x76\x61\x39\x9f\xcd\x97\x96\xce\x67\xe7\x4a\xa5\xb9\x62\x21\x9b\x2f\x2d"
"\xb4\xfc\x47\x97\x36\x1f\x8a\xa5\xd2\xf9\x99\x58\x5c\xbe\x38\x55\x29\x94"
"\x2b\x53\xe5\x95\xd5\xd3\x0b\xa5\xe5\xc5\xca\xe9\x73\x0b\xb9\xb9\xc2\xe9"
"\xc2\x50\xd7\x22\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80"
"\xf6\x95\x57\x56\xe7\x73\xc5\x62\x61\x49\x46\x46\x46\x66\x2b\xd3\x38\x4a"
"\x8c\xf4\x6e\x80\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf8\x9f\xfb\x2f"
"\x00\x00\xff\xff\xd1\x32\x2a\xca",
1898);
syz_mount_image(/*fs=*/0x20000780, /*dir=*/0x20000240,
/*flags=MS_LAZYTIME|MS_NOATIME|MS_DIRSYNC*/ 0x2000480,
/*opts=*/0x200001c0, /*chdir=*/1, /*size=*/0x76a,
/*img=*/0x20000fc0);
memcpy((void*)0x20000000, "./file0\000", 8);
syscall(__NR_chdir, /*dir=*/0x20000000ul);
memcpy((void*)0x20000040, "./bus\000", 6);
syscall(__NR_creat, /*file=*/0x20000040ul, /*mode=*/0ul);
memcpy((void*)0x20000040, "memory.swap.events\000", 19);
syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul,
/*flags=*/0x275aul, /*mode=*/0ul);
memcpy((void*)0x20000380, "/dev/loop", 9);
*(uint8_t*)0x20000389 = 0x30 + procid * 1;
*(uint8_t*)0x2000038a = 0;
memcpy((void*)0x20000140, "./bus\000", 6);
syscall(__NR_mount, /*src=*/0x20000380ul, /*dst=*/0x20000140ul, /*type=*/0ul,
/*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul);
memcpy((void*)0x20000080, "./bus\000", 6);
res = syscall(__NR_open, /*file=*/0x20000080ul,
/*flags=O_SYNC|O_NOCTTY|O_DIRECT|O_CLOEXEC|O_RDWR*/ 0x185102ul,
/*mode=*/0ul);
if (res != -1)
r[0] = res;
syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul,
/*prot=PROT_WRITE*/ 2ul,
/*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
/*fd=*/r[0], /*offset=*/0ul);
*(uint32_t*)0x20001dc0 = 7;
memcpy(
(void*)0x20001dc4,
"\xa2\xe3\xad\x21\xed\x0d\x52\xf9\x1b\x38\x09\x09\x87\xf7\x0e\x06\xd0\x38"
"\xe7\xff\x7f\xc6\xe5\x53\x9b\x32\x44\x07\x8b\x08\x9b\x32\x07\x37\x6d\x09"
"\x08\x90\xe0\x87\x8f\x0e\x1a\xc6\xe7\x04\x9b\x33\x6d\x95\x9b\x65\x9a\x24"
"\x0d\x5b\x67\xf3\x98\x8f\x7e\xf3\x19\x52\x01\x00\xff\xe8\xd1\x78\x70\x8c"
"\x52\x3c\x92\x1b\x1b\x5b\x31\x07\x0d\x07\x4a\x09\x36\xcd\x3b\x78\x13\x0d"
"\xaa\x61\xd8\xe8\x09\xea\x88\x2f\x58\x02\xb7\x7f\x07\x22\x72\x27\xb7\xba"
"\x67\xe0\xe7\x86\x57\xa6\xf5\xc2\xa8\x74\xe6\x2a\x9c\xcd\xc0\xd3\x1a\x0c"
"\x9f\x31\x8c\x0d\xa1\x99\x3b\xd1\x60\xe2\x33\xdf\x4a\x62\x17\x9c\x6f\x30"
"\xe0\x65\xcd\x5b\x91\xcd\x0a\xe1\x93\x97\x37\x35\xb3\x6d\x5b\x1b\x63\xdd"
"\x1c\x00\x30\x5d\x3f\x46\x63\x5e\xb0\x16\xd5\xb1\xdd\xa9\x8e\x2d\x74\x9b"
"\xe7\xbd\x1d\xf1\xfb\x3b\x23\x1f\xdc\xdb\x50\x75\xa9\xaa\xa1\xb4\x69\xc3"
"\x09\x00\x00\x00\x00\x00\x00\x00\x75\x27\x1b\x28\x63\x43\xd9\x69\x93\x42"
"\x88\xfd\x78\x9a\xa3\x7d\x6e\x98\xb2\x24\xfd\x44\xb6\x5b\x31\x33\x4f\xfc"
"\x55\xcc\x82\xcd\x3a\xc3\x2e\xcd\xb0\x8c\xed\x6f\x90\x81\xb4\xdd\x0d\x8b"
"\x38\xf3\xcd\x44\x98\xbe\xe8\x00\x49\x08\x41\xbd\xb1\x14\xf6\xb7\x63\x83"
"\x70\x9d\x8f\x5c\x55\x43\x49\x90\x9f\xda\x03\x9a\xec\x97\xa1\x23\x6e\x80"
"\xf6\xa8\xab\xad\xea\x76\x62\x49\x6b\xdd\xbb\x42\xbe\x6b\xfb\x2f\x17\x95"
"\x9d\x1f\x41\x6e\x56\xc7\x1b\x19\x31\x87\x02\x62\xf5\xe8\x01\x11\x92\x42"
"\xca\x02\x6b\xfc\x82\x1e\x7e\x7d\xaf\x24\x51\x13\x8e\x64\x5b\xb8\x0c\x61"
"\x76\x69\x31\x4e\x2f\xbe\x70\xde\x98\xec\x76\xa9\xe4\x0d\xad\x47\xf3\x6f"
"\xd9\xf7\xd0\xd4\x2a\x4b\x5f\x11\xf4\x62\x95\xd8\xa0\xfa\x17\x71\x3c\x58"
"\x02\x63\x09\x33\xa9\xa3\x4a\xf6\x74\xf3\xf3\x9f\xe2\x34\x91\x23\x7c\x08"
"\x82\x2d\xec\x11\x09\x11\xe8\x93\xd0\xa8\xc4\xf6\x77\x74\x7a\xbc\x36\x09"
"\x34\xb8\x29\x10\xff\x85\xbf\xd9\x95\x08\x3b\xba\x29\x87\xa6\x73\x99\xea"
"\xc4\x27\xd1\x45\xd5\x46\xa4\x0b\x9f\x6f\xf1\x4a\xc4\x88\xec\x13\x0f\xb3"
"\x85\x0a\x27\xaf\x95\x44\xae\x15\xa7\xe4\x54\xde\xa0\x59\x18\xb4\x12\x43"
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"\xa7\x3c\x88\x0f\x47\x5f\x73\x2a\xe0\x03\x98\xe8\xbd\x1f\x49\x08\xb7\x80"
"\x7f\xb3\x3b\x72\x68\x5e\xc3\x7a\x2d\x3f\x0f\x23\x0d\xe1\x13\xbc\x56\x86"
"\x46\xe5\xa1\xd9\x98\xa2\x01\x7a\xef\x09\x48\xa6\x8c\xf2\x55\x31\x5a\xb8"
"\x0d\xd3\x49\xe8\x91\xae\xf5\x95\xdc\x4d\x47\x0e\x8a\xc3\x2a\x30\x8e\x15"
"\xfc\x37\xd0\x6a\xea\xc2\x89\xc0\x52\x3f\x48\x3e\x1f\xf7\x40\x8c\x60\x87"
"\xf1\xab\x65\x2f\x2e\xf9\x1d\x4f\x2b\x01\x98\x7b\x0f\x46\xda\x03\x4e\x5c"
"\x3f\x74\x5a\x7e\xe8\x10\x1a\x39\x34\xc5\x4e\x24\xb4\x8e\xc0\x27\x5e\x2d"
"\x06\x87\xdc\x74\x6b\x08\x27\xcb\xf6\x52\xf4\x06\xc6\xb9\x5f\x27\x22\xe5"
"\x8c\x05\xf7\x52\xce\x21\x26\x59\x6e\x1c\xd7\x65\x5b\x90\x48\x01\x78\x4c"
"\x41\x6b\x22\xf7\x3d\x32\x46\x78\xe2\x72\x4f\x43\xf1\xfe\x68\x7c\x7e\x8a"
"\x60\xc2\x8b\x82\xb6\x52\x83\x41\xb6\x48\xcd\xd5\x6f\xed\x7c\xdc\xbb\x15"
"\x75\x91\x2d\x5e\xcd\x36\xde\xa3\xbc\xa0\xb7\x42\x7d\x83\x92\xc6\x28\x94"
"\x55\xe8\xf8\xd2\xab\x22\x42\x72\x92\x51\xae\x03\x3a\x9e\x02\x21\x0e\x62"
"\xdf\x05\x46\xa7\x4b\x33\x3a\x1c\x48\xf9\x5f\xd5\x4a\xcb\x57\x41\x25\x9e"
"\x8c\x54\x88\xef\xee\xe3\x27\x41\x5c\xc1\x94\x51\x43\x2c\x6f\x14\xc2\x76"
"\x93\x10\x2a\x3c\xd8\x48\x57\xcd\x65\x86\xfc\x5c\xa9\xa9\x3e\xb0\x14\x5f"
"\xac\x06\x62\xff\x86\x10\x7f\x99\x8a\x8e\xf7\xdf\x8a\xa1\x40\x46\xc5\x5b"
"\x03\xd3\xd4\x7f\x88\xa8\xd6\x0f\x77\x74\xa2\xee\x08\x75\x88\x97\xfb\x41"
"\x1a\x94\xb3\xc2\xfc\x5d\x5f\x0d\xb4\x2c\x04\x56\xec\x01\x5f\x08\xe5\x24"
"\x7d\x33\xae\x2d\x35\x60\x3f\xf8\x45\x4c\x16\xf8\x34\x28\x56\x93\x51\x25"
"\x10\x2b\xb7\x84\xed\x71\x48\xb6\xce\x43\x3b\x63\xee\x35\x6b\x0c\x78\x5f"
"\x2f\x47\xb9\x0e\x29\x38\x9f\x22\xfc\x5b\x59\xa7\x0e\xfa\xea\x2b\xd4\x24"
"\x95\xaf\x44\x86\x22\x0d\x70\x2e\x30\xbf\xc4\x3c\x10\xec\x23\xea\x62\x83"
"\x99\x4a\x7d\xde\x4d\xcb\x61\xfe\xa6\xb6\x51\xfb\x1d\x62\x45\x8d\x07\x41"
"\xa1\x28\x30\x05\x2f\xcc\x46\x0d\xb0\x43\xaf\xe5\x25\x62\x9b\x40\xd7\xce"
"\xe4\x58\xe4\xcb\x5e\x93\x0e\xd6\x24\x80\x6c\x43\xa0\x06\xe3\x93\x36\xd0"
"\x7c\x2b\x80\x81\xc1\x28\xad\x27\x06\xf4\x82\x61\xf7\x89\x74\x84\xc2\x97"
"\xa1\xa6\x61\x3b\xc1\x8f\x5a\x38\xd4\x42\x76\x8a\xf3\x80\x41\xef\xe0\x3d"
"\x15\x2e\xf9\x5f\xf5\x69\xe7\x6d\xb2\x39\x1f\x45\x09\xd7\xf3\x39\xd9\x2f"
"\xdb\x4a\x89\x36\x49\x49\xda\x39\x80\x00\x00\x00\x00\x00\x00\x00\xd8\x0a"
"\x4f\xe6\x54\x57\x83\x76\xe5\x99\xaf\xf3\x76\x5b\x1d\x53\x1f\x30\x91\x2b"
"\x99\x45\x03\x0b\x81\xea\x99\x35\xfd\x46\xed\xb4\x4a\x78\xf6\x15\x25\x54"
"\x90\xa4\xb6\x21\x50\x1f\x2a\x7d\x4d\x24\x62\x4c\x4d\xac\x92\x74\x11\x8c"
"\x67\x58\x4f\x5d\x37\x47\x55\x53\x4d\x7f\x68\xf6\x79\xc4\xff\x51\x6a\x9c"
"\x86\x1a\x0e\x7e\x65\x86\x8f\xcb\x2b\xf1\xcb\x9a\xea\x4e\x05\xdf\x72\x27"
"\x9f\xdb\x0d\x2b\x9e\x93\x5c\x5a\xf3\xcf\x47\x4b\xed\x79\xdf\xc2\x48\xc1"
"\xf5\xae\xa4\xb8\xb3\x2c\x5d\x29\x5e\x57\x07\x9d\x0f\xe6\x62\xa4\x6b\x7f"
"\x71\xcd\x47\x74\x4d\xb8\x6c\x50\xb7\x04\xc9\x71\xd9\x02\x95\xc7\xb2\xc7"
"\x43\x9a\x2d\x78\xcc\xfa\x79\xb5\xfc\x2b\xff\x6b\xbf\x84\x02\x62\xbf\x89"
"\x39\x4b\x3e\x06\x91\x95\x32\x64\xd2\x70\x0c\x83\x8f\xa2\xc7\xb3\x3c\x52"
"\x60\xf5\x95\x54\xe5\x02\xdc\xea\x39\xcb\x31\x3b\x00\x00\x00\x00\x00\x00"
"\x4c\xa7\xc1\x2f\x45\x85\x8d\x62\x84\xca\x62\x70\xd6\xb2\xf0\xe5\x8f\xde"
"\xd8\xa7\xb4\xa3\x02\xa9\x7b\xc6\x41\xdf\x07\x72\x0b\xa2\xb2\x6b\xbf\xcc"
"\x80\x7c\xa0\xab\xb1\xb4\x43\x22\x26\x9c\x21\xc5\xec\x68\xcb\x06\x8e\xa8"
"\x80\x67\xd9\x05\xea\x91\x7b\xb0\x3e\xef\xda\xeb\xde\xab\xf2\xd0\xdc\xe8"
"\x09\x97\xc9\x15\xc8\x94\x9d\xe9\x92\x58\x7c\x2c\xb5\xfe\x36\xd7\xd3\xe5"
"\xdb\x21\xb0\x94\xb8\xb7\x79\x40\xb5\xf0\x77\x22\xe4\x7a\x08\xd3\x67\xe5"
"\xf8\x4c\x96\xec\x66\x4b\x72\x93\x4b\x99\xb3\x10\x9a\xf6\x5d\x77\xe8\x6a"
"\xbd\x68\x59\xcd\xdf\x4b\xba\xe1\xf0\x93\x04\x62\xdf\x15\xfd\xdb\xc4\x85"
"\x62\xea\x35\x11\xa8\x06\x5e\xf0\x28\xcf\x12\xf1\x4d\xcf\x6e\xbe\xcd\x8d"
"\x88\x48\x36\x17\x4f\xaf\x1a\xa6\x09\xe5\xf1\xee\x11\x62\xdf\xa1\x3b\xdc"
"\x1f\xa7\xcf\xaa\xdb\xa8\x5c\x72\xe9\x75\x8f\x03\xa7\x55\xd0\xbe\x53\xf8"
"\xd2\xa1\xdf\xb1\xc6\x8c\xc1\x64\xb0\xa0\x78\x0d\x97\x1a\x96\xea\x2c\x4d"
"\x4c\xa0\x39\x8c\x22\x35\x98\x0a\x93\x07\xb3\xd5\xbd\x3b\x01\xfa\xff\xd0"
"\xa5\xdb\xed\x28\x81\xa9\x70\x0a\xf5\x61\xac\x8c\x7e\x36\xbb\x2f\xc4\xc4"
"\x0e\x9c\xf9\x6f\x06\x81\x7f\xb9\x03\x72\x9a\x7d\xb6\xff\x95\x76\x97\xc9"
"\xed\xe7\x88\x5d\x94\xff\xb0\x96\x9b\xe0\xda\xf6\x0a\xf9\x31\x09\xeb\x1d"
"\xee\x72\xe4\x36\x3f\x51\xaf\x62\xaf\x6f\xb2\xa6\xdf\x3b\xec\x89\x82\x2a"
"\x7a\x0b\x67\x80\x58\xfa\x3f\xef\x86\xfa\xec\x21\x6e\xb6\x99\x21\x62\xf8"
"\xdc\xbf\x71\x9c\x14\x8c\xd2\xf9\xc5\x5f\x49\x01\x20\x3a\x9a\x8a\x2c\x3e"
"\x90\xf3\x94\x3d\xbc\x10\x36\x0a\x1a\x49\x70\x0d\x1d\xfb\xf6\x6d\x69\xf6"
"\xfb\xaf\x50\x6c\x8b\xcc\xe8\xbb\x0d\x87\x2a\x02\x23\x89\x26\x40\x7a\x4e"
"\xdd\xd5\xd0\xfc\x5a\x75\x2f\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
4096);
*(uint16_t*)0x20002dc4 = 0x1000;
syscall(__NR_write, /*fd=*/-1, /*data=*/0x20001dc0ul, /*len=*/0x1006ul);
memcpy((void*)0x20000280, "cgroup.controllers\000", 19);
syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000280ul,
/*flags=*/0x275aul, /*mode=*/0ul);
}
int main(void)
{
syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
/*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-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=*/-1,
/*offset=*/0ul);
syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
/*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
/*offset=*/0ul);
setup_sysctl();
for (procid = 0; procid < 5; procid++) {
if (fork() == 0) {
use_temporary_dir();
loop();
}
}
sleep(1000000);
return 0;
}