// 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 #include #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif static unsigned long long procid; 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"); } else if (strncmp(fs, "gfs2", 4) == 0 && (strstr(opts, "errors=panic") || strstr(opts, "debug"))) { strcat(opts, ",errors=withdraw"); } 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; } static void setup_gadgetfs(); static void setup_binderfs(); static void setup_fusectl(); static void sandbox_common_mount_tmpfs(void) { write_file("/proc/sys/fs/mount-max", "100000"); if (mkdir("./syz-tmp", 0777)) exit(1); if (mount("", "./syz-tmp", "tmpfs", 0, NULL)) exit(1); if (mkdir("./syz-tmp/newroot", 0777)) exit(1); if (mkdir("./syz-tmp/newroot/dev", 0700)) exit(1); unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE; if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL)) exit(1); if (mkdir("./syz-tmp/newroot/proc", 0700)) exit(1); if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL)) exit(1); if (mkdir("./syz-tmp/newroot/selinux", 0700)) exit(1); const char* selinux_path = "./syz-tmp/newroot/selinux"; if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) { if (errno != ENOENT) exit(1); if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); } if (mkdir("./syz-tmp/newroot/sys", 0700)) exit(1); if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL)) exit(1); if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags, NULL) && errno != ENOENT) exit(1); if (mkdir("./syz-tmp/newroot/syz-inputs", 0700)) exit(1); if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, bind_mount_flags | MS_RDONLY, NULL) && errno != ENOENT) exit(1); if (mkdir("./syz-tmp/pivot", 0777)) exit(1); if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) { if (chdir("./syz-tmp")) exit(1); } else { if (chdir("/")) exit(1); if (umount2("./pivot", MNT_DETACH)) exit(1); } if (chroot("./newroot")) exit(1); if (chdir("/")) exit(1); setup_gadgetfs(); setup_binderfs(); setup_fusectl(); } static void setup_gadgetfs() { if (mkdir("/dev/gadgetfs", 0777)) { } if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) { } } static void setup_fusectl() { if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) { } } static void setup_binderfs() { if (mkdir("/dev/binderfs", 0777)) { } if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) { } if (symlink("/dev/binderfs", "./binderfs")) { } } static void loop(); static void sandbox_common() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); if (getppid() == 1) exit(1); struct rlimit rlim; rlim.rlim_cur = rlim.rlim_max = (200 << 20); setrlimit(RLIMIT_AS, &rlim); rlim.rlim_cur = rlim.rlim_max = 32 << 20; setrlimit(RLIMIT_MEMLOCK, &rlim); rlim.rlim_cur = rlim.rlim_max = 136 << 20; setrlimit(RLIMIT_FSIZE, &rlim); rlim.rlim_cur = rlim.rlim_max = 1 << 20; setrlimit(RLIMIT_STACK, &rlim); rlim.rlim_cur = rlim.rlim_max = 128 << 20; setrlimit(RLIMIT_CORE, &rlim); rlim.rlim_cur = rlim.rlim_max = 256; setrlimit(RLIMIT_NOFILE, &rlim); if (unshare(CLONE_NEWNS)) { } if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) { } if (unshare(CLONE_NEWIPC)) { } if (unshare(0x02000000)) { } if (unshare(CLONE_NEWUTS)) { } if (unshare(CLONE_SYSVSEM)) { } typedef struct { const char* name; const char* value; } sysctl_t; static const sysctl_t sysctls[] = { {"/proc/sys/kernel/shmmax", "16777216"}, {"/proc/sys/kernel/shmall", "536870912"}, {"/proc/sys/kernel/shmmni", "1024"}, {"/proc/sys/kernel/msgmax", "8192"}, {"/proc/sys/kernel/msgmni", "1024"}, {"/proc/sys/kernel/msgmnb", "1024"}, {"/proc/sys/kernel/sem", "1024 1048576 500 1024"}, }; unsigned i; for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++) write_file(sysctls[i].name, sysctls[i].value); } static int wait_for_loop(int pid) { if (pid < 0) exit(1); int status = 0; while (waitpid(-1, &status, __WALL) != pid) { } return WEXITSTATUS(status); } static void drop_caps(void) { struct __user_cap_header_struct cap_hdr = {}; struct __user_cap_data_struct cap_data[2] = {}; cap_hdr.version = _LINUX_CAPABILITY_VERSION_3; cap_hdr.pid = getpid(); if (syscall(SYS_capget, &cap_hdr, &cap_data)) exit(1); const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE); cap_data[0].effective &= ~drop; cap_data[0].permitted &= ~drop; cap_data[0].inheritable &= ~drop; if (syscall(SYS_capset, &cap_hdr, &cap_data)) exit(1); } static int do_sandbox_none(void) { if (unshare(CLONE_NEWPID)) { } int pid = fork(); if (pid != 0) return wait_for_loop(pid); sandbox_common(); drop_caps(); if (unshare(CLONE_NEWNET)) { } write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535"); sandbox_common_mount_tmpfs(); loop(); exit(1); } void loop(void) { if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // syz_mount_image$hfsplus arguments: [ // fs: ptr[in, buffer] { // buffer: {68 66 73 70 6c 75 73 00} (length 0x8) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // flags: mount_flags = 0x3 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // } // } // chdir: int8 = 0x4 (1 bytes) // size: len = 0x67b (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x67b) // } // ] // returns fd_dir memcpy((void*)0x200000000500, "hfsplus\000", 8); memcpy((void*)0x200000000280, "./file0\000", 8); memcpy( (void*)0x200000000bc0, "\x78\x9c\xec\xdd\x4d\x68\x1c\xe7\xfd\x07\xf0\xef\xac\x56\xb2\xe5\x3f\xd8" "\xfa\x27\x76\xe2\x96\x40\x44\x0c\x69\xa9\xa9\x2d\x59\x28\xad\x7a\x68\xdc" "\x52\x8a\x0f\xa1\x04\xf7\xd0\xb3\xb0\xe5\x58\x78\xad\x04\x49\x29\x4a\x28" "\x8d\xfa\x4e\x6f\x3d\xa4\xf7\xf4\xa0\x5b\xa1\xd0\xd2\xbb\x21\x3d\xb7\xb7" "\x5c\x45\x4f\x29\x85\x5e\x72\x12\x3d\x64\xcb\x8c\x66\x57\x2b\x69\xf5\x16" "\xc9\x7a\x49\x3e\x1f\x33\x7a\xde\x66\x9e\x79\x9e\xdf\xce\xce\xec\xcc\x62" "\x36\xc0\x17\xd6\x9d\xeb\x69\x3e\xc9\x7b\xdd\xf2\xea\xca\x44\x6b\x75\x65" "\xe2\x5c\x5d\x6c\x25\x29\xf3\x8d\xa4\x59\x57\x15\x73\x49\xf1\x61\x72\x3b" "\xeb\x4b\xbe\x54\x56\x76\x1a\x77\xda\xcf\xfb\xb3\x53\x77\x3f\xfa\x64\xf5" "\xe3\xf5\x52\xb3\x5e\xaa\xf5\x1b\xbb\x6d\xb7\x3f\xcb\xf5\x92\xd1\x24\x03" "\x75\xba\xdd\xe0\x67\xea\xef\xde\x96\xfe\x5e\x3c\xf8\xf8\x8a\xce\x0c\xcb" "\x80\x5d\x3b\xfc\x7c\xe1\x68\xb4\xb7\x59\xde\xd4\xfe\xfb\xec\x7a\xc4\x3b" "\x8e\xe1\x73\xa0\x58\xbf\x6e\x6e\x33\x92\x5c\xa8\x4f\x00\xd5\x67\x82\xfa" "\xec\xd0\x38\xd6\xc1\x3d\x05\xcb\x27\x3d\x00\x00\x00\x00\x38\x06\x97\xd6" "\xb2\x96\xa5\x5c\x3c\xe9\x71\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x19" "\xb4\x9c\xa4\xa8\x7f\xdf\xbf\x4c\x8b\xd1\x14\x17\x92\x9c\x4f\x32\x54\xd7" "\xa5\xce\x9f\x69\x4f\x8a\x93\x1e\x01\x00\x00\x00\x00\x00\x00\x00\x6c\xf1" "\x6a\xdf\xda\xe6\x6e\x9b\xbc\xb8\x96\xb5\x2c\xe5\x62\xa7\xdc\x2e\xaa\xef" "\xfc\x5f\x2a\xb3\xed\x76\xbb\xac\xfa\xbf\xbc\x9d\x85\xcc\x64\x3e\x37\xb2" "\x94\xe9\x2c\x66\x31\xf3\x19\x4f\x32\xd2\xd3\xd1\xd0\xd2\xf4\xe2\xe2\xfc" "\x78\xb5\x65\x72\x39\x3b\x6e\xf9\x69\xbb\xef\x96\xb7\x0e\x37\x75\x00\x00" "\x00\x00\x00\x00\x00\xf8\xc2\xf9\xf6\xa6\xd2\xcf\x73\x67\xe3\xfb\x7f\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\x0d\x8a\x64\x60\x3d\xa9\x96" "\xcb\x9d\xfc\x48\x1a\xcd\x24\xe7\x93\x0c\x95\xeb\x2d\x27\xff\xe8\xe4\x4f" "\x89\xc6\xae\xad\xed\x4b\x7d\xab\x9f\x3c\xa5\xc1\x00\x00\x00\xc0\x69\x72" "\x69\x2d\x6b\x59\xca\xc5\xaa\x30\x9c\xb4\x8b\xea\x9e\xff\xb9\xea\xbe\xff" "\x7c\xde\xce\x5c\x16\x33\x9b\xc5\xb4\x32\x93\xfb\xd5\xb3\x80\xf5\xbb\xfe" "\xc6\xea\xca\x44\x6b\x75\x65\xe2\x71\xb9\x6c\xef\xf7\x3b\xff\x39\xd0\x30" "\x86\xea\xfb\xf7\x81\xaa\xd4\x6f\xcf\x57\xab\x35\x86\xf3\x20\xb3\x55\xcd" "\x8d\xdc\xcb\x9b\x69\xe5\x7e\x1a\xdd\x3b\xff\xab\x9d\xf1\xf4\x1f\xd7\xcf" "\xca\x31\x15\xaf\xd6\xf6\x39\xb2\xfb\x75\x5a\xce\xfc\x77\x75\xba\xcd\xdd" "\x4f\x0f\x34\xdb\xa3\x31\x52\x45\x64\xb0\x1b\x91\xb1\xce\xc3\x9b\xd2\xee" "\x91\x38\xe0\xab\xb3\x75\x4f\xe3\x69\x74\x9f\xfc\x5c\xee\xbf\xa7\x76\xa5" "\xb3\xd2\xce\x31\x1f\x4c\xc6\xb6\x55\x5e\xa8\xd3\x32\xd6\xbf\xee\x89\xf9" "\xa6\xd8\xf7\x3e\x7a\xfa\xe7\x81\xa6\x73\x08\x5b\x23\x71\xab\xe7\xe8\x7b" "\x6e\x73\x24\xb6\x6f\xfc\x95\xbf\xfe\xf1\x47\x0f\x5b\x73\x8f\x1e\x3e\x58" "\xb8\xde\xf7\x30\x3a\x4b\xb6\x46\x62\xa2\x27\x12\xcf\x77\xa3\x50\x24\xcb" "\x7d\xce\x0f\x9f\xab\x48\x8c\x55\x91\xb8\xd2\x2d\xdf\xc9\xf7\xf3\xc3\x5c" "\xcf\x68\x5e\xcf\x7c\x66\xf3\xe3\x4c\x67\x31\x33\x19\xcd\xf7\xaa\xdc\x74" "\x7d\x1c\x17\x3b\xbf\x7b\x3a\x6e\x6f\x2a\xbd\xbe\xc7\x23\xce\xea\x2d\x31" "\xd2\x3d\x8b\x1e\x6c\x4c\x2f\x55\xdb\x5e\xcc\x6c\x7e\x90\x37\x73\x3f\x33" "\x79\xa5\xfa\x77\x2b\xe3\xf9\x46\x26\x33\x99\xa9\x9e\x57\xf8\xca\x3e\xce" "\xb4\x8d\xbe\xef\xfa\xf3\x3b\x0d\xfe\xda\x57\xeb\xcc\x70\x92\xdf\xd4\xe9" "\xe9\x50\xc6\xf5\xff\x7b\xe2\xda\x7b\xce\x1d\xa9\xda\x7a\x6b\x36\xa2\xf4" "\xcc\xa6\x28\x15\x5b\xaf\x1d\x65\x94\x5e\x6b\x1e\xec\x7a\xd4\xfc\x72\x9d" "\x29\xf7\xf1\x8b\x3d\x9f\x7a\x1f\xa7\xad\x91\x18\xef\x89\xc4\xb3\xbb\x1f" "\x2f\x7f\x68\x97\x7f\x17\x5a\x73\x8f\xe6\x1f\x4e\xbf\x55\x55\xfd\x69\xcf" "\xaf\x16\x5e\xae\xd3\x32\xaa\xbf\xda\xe9\xca\xbc\xab\xe6\x81\xb7\xd8\x9f" "\x72\xe8\xcf\x74\xfb\xdf\x7c\x74\x94\x6d\xcf\xf6\x6d\x1b\xaf\xda\x2e\x77" "\xdb\x1a\xdb\xda\xae\x74\xdb\xf6\x7a\xa7\x0e\xd5\x9f\xe1\xb6\xf7\x74\xab" "\x6a\x7b\xbe\x6f\xdb\x44\xd5\x76\xb5\xa7\x6d\xf3\xe7\xad\xf7\xaa\xcf\x5b" "\xc7\x11\x41\x00\x0e\xe5\xc2\xd7\x2e\x0c\x0d\xff\x7b\xf8\xef\xc3\x1f\x0c" "\xff\x72\xf8\xe1\xf0\x6b\xe7\xbf\x7b\xee\x9b\xe7\x5e\x18\xca\xe0\xdf\x06" "\xbf\xd5\x1c\x1b\x78\xb9\xf1\x42\xf1\xe7\x7c\x90\x9f\xd6\xf7\xff\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\xc0\xa1\x2c\xbc\xf3\xee\xa3\xe9\xd6\x40\xe6\xd7\x33\xad\x99" "\x7d\x66\xce\xe5\x00\x2b\xef\x23\x53\xd4\x3f\xe4\x73\x64\x1d\x9e\xea\x4c" "\x1a\x87\x9c\xe9\x60\xfd\xf2\x9d\xf8\x74\xce\x25\x87\x3c\x12\xfe\xf2\xdb" "\xf5\xa9\x9c\xf8\x8b\x72\x14\x99\x66\xf9\x9a\x94\xb3\xf9\x8c\xfd\xa4\x71" "\x1a\x66\x51\x65\xf6\xfc\x1d\x2e\xe0\x8c\xbb\xb9\xf8\xf8\xad\x9b\x0b\xef" "\xbc\xfb\xf5\xd9\xc7\xd3\x6f\xcc\xbc\x31\x33\x37\x38\x39\x39\x35\x36\x35" "\xf9\xca\xc4\xcd\x07\xb3\xad\x99\xb1\xf5\xbf\x27\x3d\x4a\xe0\x69\xd8\xb8" "\xe8\xf7\x6d\xfe\xd7\xb1\x0f\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8" "\xd3\x71\xfc\x77\x82\x93\x9e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\xb6\xdd\xb9\x9e\xe6\x93" "\x14\x19\x1f\xbb\x31\x56\x96\x57\x57\x26\x5a\xe5\xd2\xc9\x6f\xac\xd9\x4c" "\xd2\x48\x52\xfc\x24\x29\x3e\x4c\x6e\x67\x7d\xc9\x48\x4f\x77\xc5\x4e\xfb" "\x79\x7f\x76\xea\xee\x47\x9f\xac\x7e\xbc\xd1\x57\xb3\xb3\x7e\xd9\xe9\x7f" "\xdb\x87\x9a\xc5\x72\xbd\x64\x34\xc9\x40\x9d\x1e\x55\x7f\xf7\x0e\xdd\x5f" "\xd1\x8d\x4c\x19\xb0\x6b\x9d\xc0\xc1\x49\xfb\x5f\x00\x00\x00\xff\xff\xa0" "\x7c\x0a\x13", 1659); syz_mount_image(/*fs=*/0x200000000500, /*dir=*/0x200000000280, /*flags=MS_RDONLY|MS_NOSUID*/ 3, /*opts=*/0x200000000040, /*chdir=*/4, /*size=*/0x67b, /*img=*/0x200000000bc0); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*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=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; do_sandbox_none(); return 0; }