// https://syzkaller.appspot.com/bug?id=7306b1a3b2162a7def7be218dbd73af14dbd4d96 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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" 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"\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" "\x51\x3f\x00\x00\x00\x00\x00\x00\x00\x0a\x36\x21\xc5\x6c\xea\x8d\x20\xfa" "\x91\x1a\x0c\x41\xdb\x6e\xbe\x8c\xac\x64\xf1\xb3\x4b\xbc\x99\x63\xac\x4f" "\x4b\xb3\x30\x96\x03\xf1\xd4\xab\x96\x62\x03\x86\x1b\x5b\x15\xa8\x41\xf2" "\xb5\x75\xa8\xbd\x0d\x78\x24\x8e\xbe\x4d\x9a\x80\x00\x26\x95\x10\x4f\x67" "\x4c\x24\x31\xdc\xa1\x41\xfa\xe2\x69\xca\xb7\x0e\x9a\x66\xf3\xb6\x36\x1d" "\x54\x6e\xe5\x8c\xb0\x9c\x0e\xde\x26\xc6\xb5\xd7\x4b\x07\x8a\x5e\x15\xc3" "\x16\x34\xe5\xae\x09\x8c\xe9\xee\x70\x77\x1a\xaa\x18\x11\x9a\x86\x7e\x10" "\x88\x33\x49\x75\xe9\xf7\x34\x83\xb6\xa6\x2f\xa6\x78\xca\x14\xff\xd9\xf9" "\xdb\x2a\x78\x69\xd8\x58\x64\x05\x65\x26\xf8\x89\xaf\x43\xa6\x05\x60\x80" "\x57\x22\x86\x52\x24\x49\xdf\x46\x6c\x63\x2b\x35\x70\x24\x3f\x98\x9c\xce" "\x38\x03\xf4\x65\xe4\x1e\x61\x0c\x20\xd8\x04\x21\xd6\x53\xa5\x52\x00\x00" "\x00\x82\x13\xb7\x04\xc7\xfb\x08\x2f\xf2\x75\x90\x67\x8e\xf9\xf1\x90\xba" "\xe9\x79\x09\x50\x70\x41\xd8\x60\x42\x0c\x56\x64\xb2\x79\x21\xb1\x4d\xc1" "\xdb\x88\x92\xfd\x32\xd0\xad\x7b\xc9\x46\x81\x35\x91\xad\x8d\xef\xf4\xb0" "\x5f\x60\xce\xa0\xda\x77\x10\xac\x00\x00\x00\x00\x00\x00\x80\x00\xbe\xa3" "\x7c\xe0\xd0\xd4\xaa\x20\x2f\x92\x8f\x28\x38\x1a\xab\x14\x4a\x5d\x42\x9a" "\x04\xa6\xa2\xb8\x3c\xd0\x6e\x28\x8e\x81\x0b\xac\x9c\x76\x60\x00\x25\xe1" "\x9c\x90\x7f\x8e\xa2\xe2\x01\x00\x00\x00\x82\x71\xa1\xf5\xf8\x52\x8f\x22" "\x7e\x79\xc1\x38\x9d\xbd\xff\xfe\x49\x2f\x21\x57\x9d\x2c\x15\xb8\xc7\x0c" "\xdb\x1c\x33\x2d\x86\xd8\x73\x41\x43\x27\x50\x86\x1e\xc2\xbc\x34\x51\xed" "\xca\x19\x4b\x22\x1c\xfe\xc4\x60\x3d\x27\x6b\xba\xa1\xdf\xa6\xd4\xfb\x8a" "\x48\xa7\x6e\xaf\xc9\xa9\xa0\x27\x0e\x4c\x10\xd6\x4c\xd5\xa6\x24\x27\x26" "\x4f\x23\x77\xfe\x76\x3c\x43\x47\x08\x33\xac\x96\xc4\x5f\x35\x7c\xbb\xab" "\xa8\xf1\xb1\xfd\xcc\x7c\xbb\x61\xa7\xcd\xb9\x74\x4e\xd7\xf9\x12\x9a\xed" "\xe2\xbe\x21\xcc\xfd\xc4\xe9\x13\x4f\x86\x84\xb3\xa4\xf3\x54\xda\x9a\x79" "\x5e\x96\x33\x4e\x20\x7d\x0e\x3f\x65\x48\x80\x37\xb2\xed\x3a\xaf\x57\x5c" "\x0b\x88\xd8\xf1\x46\x68\x40\x78\x41\x6d\x59\xfd\xee\x53\x25\x92\x89\x74" "\xd1\x2d\xad\x99\xda\xc4\x4c\x3f\x00\x08\x04\x70\x96\xa4\x40\x02\xbe\xbc" "\x24\x20\xae\xd9\x2f\xa9\xb6\x57\x8b\x47\x79\x41\x5d\x97\xb9\xa6\xd6\xd5" "\x49\x5c\x11\x80\x45\x65\x1c\xf4\x1c\x2f\xc4\x8b\x77\x8e\xfa\x5e\xa5\x67" "\x77\x47\x43\x0a\xf4\x16\x2b\x98\x7b\x80\xc3\xe0\x01\xcd\x34\xe5\xc9\x2f" "\x76\xcc\x4c\x24\xee\xb8\xbc\x4e\x9a\xc2\xae\xd9\xe5\x38\x03\xed\x0c\xa4" "\xae\x3a\x97\x37\xd2\x14\x06\x00\x05\xea\x6f\x17\x83\xe2\x87\xb3\xbe\xe9" 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"\x2c\x82\x67\x67\xcf\xa5\xc4\xe7\x27\x30\xd5\x6b\xd0\x68\xed\x21\x1c\xf8" "\x47\x53\x5e\xde\xcb\x7b\x37\x3f\x78\xb0\x95\xb6\x84\x41\xa3\x4c\xb5\x16" "\x82\xa8\xae\x4d\x24\xad\x04\x65\xf3\x92\x7f\x88\x9b\x81\x30\x76\x03\x8e" "\x79\xa7\x96\x2f\xb3\x85\xa8\x82\xe8\x02\x0f\x06\xc4\xc2\xba\x1d\xd5\xca" "\xc7\xc1\x88\x76\xda\x86\x5d\x25\x87\x34\xdd\x73\x58\x3d\xf2\x92\x89\x24" "\x48\x03\x9e\xf7\x99\xcf\x06\x30\xbe\xcd\xcc\xe0\x45\x79\xb5\x56\x1d\xc8" "\x25\xab\x82\x98\x27\x94\x5e\x02\x0c\x1f\x67\xee\x61\x5f\xeb\x62\x43\x37" "\x8e\x06\x10\x06\x0f\x02\xcc\xa4\xe9\x1b\x2f\x00\x1e\xdb\x3d\x78\xfb\x4b" "\x55\x66\x8d\xda\x93\xae\xc9\x2a\x5d\xe2\x03\x71\x7a\xa4\x9c\x2d\x28\x4a" "\xcf\xab\xe2\x62\xfc\xcf\xcb\xb2\xb7\x5a\x21\x83\xc4\x6e\xb6\x5c\xa8\x10" "\x4e\x1b\x4d\xa7\xfb\xb7\x7a\xb2\xfc\x04\x3a\xea\xd8\x7c\x32\xab\x87\x5e" "\xe7\xc2\xe7\xb7\x01\x9c\x98\x2c\xd3\xb4\x3e\xae\xb1\xa5\xfb\x13\x5c\x0c" "\x7d\xce\xe8\xfe\x65\x16\xa3\x28\x03\x2f\xa8\xc0\x42\x89\x18\x24\x65\x9e" 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"\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; }