// https://syzkaller.appspot.com/bug?id=c6df36580be23cc63665fb67389d6c301e8bdb02 // 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"); } 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); } uint64_t r[1] = {0xffffffffffffffff}; void loop(void) { intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x200000000340, "./bus\000", 6); syscall(__NR_creat, /*file=*/0x200000000340ul, /*mode=*/0ul); memcpy((void*)0x200000000380, "/dev/loop", 9); *(uint8_t*)0x200000000389 = 0x30; *(uint8_t*)0x20000000038a = 0; memcpy((void*)0x200000000140, "./bus\000", 6); syscall(__NR_mount, /*src=*/0x200000000380ul, /*dst=*/0x200000000140ul, /*type=*/0ul, /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul); memcpy((void*)0x2000000003c0, "./bus\000", 6); res = syscall(__NR_open, /*file=*/0x2000000003c0ul, /*flags=O_NONBLOCK|O_NOFOLLOW|O_NOCTTY|O_RDWR*/ 0x20902ul, /*mode=*/0ul); if (res != -1) r[0] = res; memcpy((void*)0x2000000000c0, "ext4\000", 5); memcpy((void*)0x200000000640, "./file1\000", 8); *(uint8_t*)0x200000000000 = 0; memcpy( (void*)0x200000000800, "\x78\x9c\xec\xdd\xef\x6b\x24\x67\x1d\x00\xf0\xef\x4c\xb2\x77\xc9\x5d\xea" "\xa6\x2a\x52\x0b\xd6\x62\x2b\x77\x45\x6f\x73\x69\x6c\x1b\x44\xb4\xbe\xd1" "\x57\x05\xb5\xbe\x3f\x63\xb2\x17\xc2\xed\x66\x8f\x64\x53\x2f\xa1\xd8\x14" "\xff\x00\x41\x04\x05\x5f\xf9\xca\x37\x82\x7f\x80\x20\x7d\xe1\x1f\x20\x85" "\x82\xbe\x11\x5f\x88\x8a\x22\x7a\xb5\xa0\xa0\x76\x64\x66\x67\xe9\x75\x7f" "\x5c\xd6\xbb\xcd\xee\x5d\xf6\xf3\x81\xc9\x3e\xcf\xec\xcc\x7c\x9f\x67\x86" "\x3c\x3b\x33\xfb\xec\x33\x01\xcc\xac\x27\x23\xe2\xc5\x88\x98\x8b\x88\x67" "\x22\xa2\x5a\xce\x4f\xcb\xe9\x5a\x9e\x39\xee\x2c\xf7\xf6\xed\x57\x37\xf3" "\x29\x89\x2c\x7b\xf9\x6f\x49\x24\xe5\xbc\xee\xb6\xf2\xfc\x7c\x44\x5c\xec" "\xac\x12\x0b\x11\xf1\xb5\x2f\x47\x7c\x33\xe9\x8f\xbb\x7f\x78\x74\x63\xa3" "\xd1\xa8\xef\x95\xf9\x95\x76\xf3\xe6\xca\xfe\xe1\xd1\x95\x9d\xe6\xc6\x76" "\x7d\xbb\xbe\xbb\xb6\xb6\xfa\xfc\xfa\x0b\xeb\xcf\xad\x5f\xcd\x4a\xf7\x55" "\xcf\xe5\x6e\xe2\x27\x5f\xfa\xfc\x2f\x3e\xfd\xad\xdf\x5f\xfb\xcb\xe5\x6f" "\xe7\xc5\xfa\xdc\x47\xa2\x12\x3d\xf5\x18\xa7\x4e\xd5\x2b\xc5\xbe\xe8\xca" "\xf7\xd1\xde\x69\x04\x9b\x82\xb9\xb2\x3e\x95\x69\x17\x04\x00\x80\x91\xe4" "\xe7\xf8\x1f\x8c\x88\x4f\x14\xe7\xff\xd5\x98\x2b\xce\xe6\x7a\xcc\x4d\xa3" "\x64\x00\x00\x00\xc0\xb8\x64\x5f\x58\x8a\xff\x24\xb1\x90\x01\x00\x00\x00" "\x67\x56\x1a\x11\x4b\x91\xa4\xb5\xb2\x2f\xc0\x52\xa4\xe9\xb9\xf2\xde\xc0" "\x87\xe3\x42\xda\x68\xed\xb7\x3f\x75\xbd\x75\xb0\xbb\x95\xbf\x17\xb1\x1c" "\x95\xf4\xfa\x4e\xa3\x7e\xb5\xec\x2b\xbc\x1c\x95\x24\xcf\xaf\x96\x7d\x6c" "\xbb\xf9\x67\x7b\xf2\x6b\x11\xf1\x68\x44\x7c\xbf\xba\x58\xe4\x6b\x9b\xad" "\xc6\xd6\x94\xef\x7d\x00\x00\x00\xc0\xac\xb8\xd8\x73\xfd\xff\x4e\x35\x2d" "\xd2\x27\x1b\xf0\x3b\x01\x00\x00\x00\xe0\xc1\xb5\x3c\x34\x03\x00\x00\x00" "\x9c\x15\xf7\x74\xc9\xff\xcf\xf2\x17\x04\xe3\x2f\x0e\x00\x00\x00\x70\x0a" "\x7a\xaf\xff\x8d\xf7\x0f\x00\x00\x00\x67\xca\x57\x5e\x7a\x29\x9f\xb2\xee" "\xf3\xaf\xb7\x5e\x39\x3c\xb8\xd1\x7a\xe5\xca\x56\x7d\xff\x46\xad\x79\xb0" "\x59\xdb\x6c\xed\xdd\xac\x6d\xb7\x5a\xdb\xc5\x98\x7d\xcd\x93\xb6\xd7\x68" "\xb5\x6e\x7e\x26\x76\x0f\x6e\x2d\x46\x44\x7b\x65\xff\xf0\xe8\x5a\xb3\x75" "\xb0\xdb\xbe\xb6\xf3\xbe\x47\x60\x03\x00\x00\x00\x13\xf4\xe8\xc7\xdf\xf8" "\x4d\x12\x11\xc7\x9f\x5d\x2c\xa6\x28\xc7\x01\x04\x66\xd9\x3b\xfd\xbf\xed" "\xf9\xe3\x94\x8a\x02\x9c\x0a\x5d\xfd\x60\x76\x19\xc5\x1b\x66\x57\x65\xda" "\x05\x00\xa6\x2e\x39\xe1\x7d\x9d\x77\x00\x00\xe0\xe1\x77\xe9\xa3\xfd\xdf" "\xff\x77\x9f\xff\xef\xde\x00\x9c\x6d\xfa\xfa\x00\xc0\xec\x19\xf1\xfb\xff" "\xef\xfe\xe9\xb4\x0b\x02\x4c\x5c\x45\x0f\x40\x98\x59\xf3\xe5\x3d\x80\x0f" "\x74\xb2\xe7\x87\x2d\x37\xf4\xfb\xff\x5f\x8d\x1a\x29\xcb\x22\xde\xac\xde" "\x39\xc7\xfd\x45\x00\x00\x98\xac\xa5\x62\x4a\xd2\x5a\x79\x1d\xb0\x14\x69" "\x5a\xab\x45\x3c\x12\x91\x2e\x47\x25\xb9\xbe\xd3\xa8\x5f\x2d\xaf\x0f\x7e" "\x5d\xad\x9c\xcf\xf3\xab\xc5\x9a\xc9\x89\x7d\x86\x01\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x8e\x2c\x4b\x22" "\x03\x00\x00\x00\xce\xb4\x88\xf4\xcf\x49\x31\x9a\x7f\xc4\xa5\xea\xd3\x4b" "\xbd\xf7\x07\xce\x25\xff\xaa\x46\xf7\xe1\x9f\x3f\x7a\xf9\x07\xb7\x36\xda" "\xed\xbd\xd5\x7c\xfe\xdf\x8b\x67\x79\x9d\x8b\x88\xf6\x0f\xcb\xf9\xcf\x0e" "\x7d\x7c\x18\x00\x00\x00\x30\x6e\xc9\xf1\xd0\xb7\x3a\xd7\xe9\xe5\xeb\xea" "\x44\x4b\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x0c\x78\xfb\xf6\xab\x9b\xdd\x69\x92\x71\xff\xfa\xc5\x88" "\x58\x1e\x14\x7f\x3e\x16\x8a\xd7\x85\xa8\x44\xc4\x85\x7f\x24\x31\x7f\xc7" "\x7a\x49\x44\xcc\x8d\x21\xfe\xf1\xeb\x11\xf1\xd8\xa0\xf8\x49\xbc\x9b\x65" "\xaf\x45\x59\x8a\x41\xf1\x17\x4f\x39\xfe\x72\xb1\x6b\x06\xc7\x4f\x23\xe2" "\xe2\x18\xe2\xc3\x2c\x7b\x23\x6f\x7f\x5e\x1c\xf4\xff\x97\xc6\x93\xc5\xeb" "\xe0\xff\xbf\xf9\x72\xba\x5f\xc3\xdb\xbf\xb4\x8c\xfc\x58\xd1\xce\x0d\x6a" "\x7f\x1e\xe9\xdb\x5a\x73\x60\x8c\xc7\xdf\xfa\xd9\x4a\x27\x55\xe9\x8f\xff" "\x7a\xc4\xe3\xf3\x83\xdb\x9f\x6e\xfb\x9b\x0c\x89\xff\x54\xdf\xd6\xfe\x9d" "\x65\x59\x7f\xfc\x6f\x7c\xfd\xe8\x68\x58\xfd\xb3\x1f\x47\x5c\x1a\xf8\xf9" "\x93\xbc\x2f\xd6\x4a\xbb\x79\x73\x65\xff\xf0\xe8\xca\x4e\x73\x63\xbb\xbe" "\x5d\xdf\x5d\x5b\x5b\x7d\x7e\xfd\x85\xf5\xe7\xd6\xaf\xae\x5c\xdf\x69\xd4" "\xcb\xbf\x03\x63\x7c\xef\x63\x3f\x7f\x77\x58\xfc\xbc\xfe\x17\x06\xc4\xff" "\xdd\x6f\x3b\xed\xef\xdd\xea\xff\xf4\xb0\x8d\xf6\xf8\xef\x5b\xb7\x6e\x7f" "\xa8\x93\xec\x3b\x00\x79\xfc\xcb\x4f\x0d\xfc\xfc\x5d\x88\x21\xf1\xd3\xf2" "\xb3\xef\x93\x65\x3a\x7f\xff\x52\x37\x7d\xdc\x49\xdf\xe9\x89\x9f\xbe\xf9" "\xc4\xdd\xea\xbf\x35\x64\xff\x9f\x74\xfc\x2f\x8f\x58\xff\x67\xbe\xfa\x9d" "\x3f\x8c\xb8\x28\x00\x30\x01\xfb\x87\x47\x37\x36\x1a\x8d\xfa\xde\x5d\x12" "\x0b\x23\x2c\xf3\x30\x26\x7e\xb9\xf0\x40\x14\xe3\xff\x4c\x64\xaf\x75\x8e" "\xdc\x83\x52\x9e\x7b\x4d\xe4\x67\xab\xef\xcd\xe9\xd6\xea\xb4\x82\x9e\xbf" "\xa7\xb5\xb2\x89\xec\x8d\xf3\xc5\xf9\xfc\xa8\x6b\x9d\x9b\xd0\x61\x9a\x6a" "\xb3\x04\x00\x00\x9c\x82\xf7\x4e\xfa\xa7\x5d\x12\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x98\x5d\x23\x8d\x07\xb6\x18\xf7\x35" "\x9c\x58\x6f\xcc\xe3\x6e\x62\x1c\x03\xe8\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8c\xc9\xff" "\x02\x00\x00\xff\xff\xbc\xee\xe7\x14", 1341); syz_mount_image(/*fs=*/0x2000000000c0, /*dir=*/0x200000000640, /*flags=MS_LAZYTIME|MS_REC*/ 0x2004000, /*opts=*/0x200000000000, /*chdir=*/0x3d, /*size=*/0x53d, /*img=*/0x200000000800); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0xb36000ul, /*prot=PROT_WRITE*/ 2ul, /*flags=MAP_FIXED|MAP_SHARED*/ 0x11ul, /*fd=*/r[0], /*offset=*/0ul); syscall(__NR_madvise, /*addr=*/0x200000000000ul, /*len=*/0x60000bul, /*advice=MADV_REMOVE*/ 9ul); } 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; }