// https://syzkaller.appspot.com/bug?id=70d91bcb670f8561318eaf379df22e12df8946eb // 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 #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); } #define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off)) #define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \ *(type*)(addr) = \ htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \ (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len)))) 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; } struct nlmsg { char* pos; int nesting; struct nlattr* nested[8]; char buf[4096]; }; static void netlink_init(struct nlmsg* nlmsg, int typ, int flags, const void* data, int size) { memset(nlmsg, 0, sizeof(*nlmsg)); struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf; hdr->nlmsg_type = typ; hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags; memcpy(hdr + 1, data, size); nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size); } static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data, int size) { struct nlattr* attr = (struct nlattr*)nlmsg->pos; attr->nla_len = sizeof(*attr) + size; attr->nla_type = typ; if (size > 0) memcpy(attr + 1, data, size); nlmsg->pos += NLMSG_ALIGN(attr->nla_len); } static void netlink_nest(struct nlmsg* nlmsg, int typ) { struct nlattr* attr = (struct nlattr*)nlmsg->pos; attr->nla_type = typ; nlmsg->pos += sizeof(*attr); nlmsg->nested[nlmsg->nesting++] = attr; } static void netlink_done(struct nlmsg* nlmsg) { struct nlattr* attr = nlmsg->nested[--nlmsg->nesting]; attr->nla_len = nlmsg->pos - (char*)attr; } static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type, int* reply_len, bool dofail) { if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting) exit(1); struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf; hdr->nlmsg_len = nlmsg->pos - nlmsg->buf; struct sockaddr_nl addr; memset(&addr, 0, sizeof(addr)); addr.nl_family = AF_NETLINK; ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0, (struct sockaddr*)&addr, sizeof(addr)); if (n != (ssize_t)hdr->nlmsg_len) { if (dofail) exit(1); return -1; } n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); if (reply_len) *reply_len = 0; if (n < 0) { if (dofail) exit(1); return -1; } if (n < (ssize_t)sizeof(struct nlmsghdr)) { errno = EINVAL; if (dofail) exit(1); return -1; } if (hdr->nlmsg_type == NLMSG_DONE) return 0; if (reply_len && hdr->nlmsg_type == reply_type) { *reply_len = n; return 0; } if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) { errno = EINVAL; if (dofail) exit(1); return -1; } if (hdr->nlmsg_type != NLMSG_ERROR) { errno = EINVAL; if (dofail) exit(1); return -1; } errno = -((struct nlmsgerr*)(hdr + 1))->error; return -errno; } static int netlink_send(struct nlmsg* nlmsg, int sock) { return netlink_send_ext(nlmsg, sock, 0, NULL, true); } static int netlink_query_family_id(struct nlmsg* nlmsg, int sock, const char* family_name, bool dofail) { struct genlmsghdr genlhdr; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = CTRL_CMD_GETFAMILY; netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name, strnlen(family_name, GENL_NAMSIZ - 1) + 1); int n = 0; int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail); if (err < 0) { return -1; } uint16_t id = 0; struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN + NLMSG_ALIGN(sizeof(genlhdr))); for (; (char*)attr < nlmsg->buf + n; attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) { if (attr->nla_type == CTRL_ATTR_FAMILY_ID) { id = *(uint16_t*)(attr + 1); break; } } if (!id) { errno = EINVAL; return -1; } recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); return id; } static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type, const char* name, bool up) { struct ifinfomsg hdr; memset(&hdr, 0, sizeof(hdr)); if (up) hdr.ifi_flags = hdr.ifi_change = IFF_UP; netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr)); if (name) netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name)); netlink_nest(nlmsg, IFLA_LINKINFO); netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type)); } static void netlink_device_change(struct nlmsg* nlmsg, int sock, const char* name, bool up, const char* master, const void* mac, int macsize, const char* new_name) { struct ifinfomsg hdr; memset(&hdr, 0, sizeof(hdr)); if (up) hdr.ifi_flags = hdr.ifi_change = IFF_UP; hdr.ifi_index = if_nametoindex(name); netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr)); if (new_name) netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name)); if (master) { int ifindex = if_nametoindex(master); netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex)); } if (macsize) netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize); int err = netlink_send(nlmsg, sock); if (err < 0) { } } static struct nlmsg nlmsg; //% 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; } #define FS_IOC_SETFLAGS _IOW('f', 2, long) static void remove_dir(const char* dir) { int iter = 0; DIR* dp = 0; const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW; retry: 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")) { } } #define NL802154_CMD_SET_SHORT_ADDR 11 #define NL802154_ATTR_IFINDEX 3 #define NL802154_ATTR_SHORT_ADDR 10 static const char* setup_802154() { const char* error = NULL; int sock_generic = -1; int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (sock_route == -1) { error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) failed"; goto fail; } sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); if (sock_generic == -1) { error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed"; goto fail; } { int nl802154_family_id = netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true); if (nl802154_family_id < 0) { error = "netlink_query_family_id failed"; goto fail; } for (int i = 0; i < 2; i++) { char devname[] = "wpan0"; devname[strlen(devname) - 1] += i; uint64_t hwaddr = 0xaaaaaaaaaaaa0002 + (i << 8); uint16_t shortaddr = 0xaaa0 + i; int ifindex = if_nametoindex(devname); struct genlmsghdr genlhdr; memset(&genlhdr, 0, sizeof(genlhdr)); genlhdr.cmd = NL802154_CMD_SET_SHORT_ADDR; netlink_init(&nlmsg, nl802154_family_id, 0, &genlhdr, sizeof(genlhdr)); netlink_attr(&nlmsg, NL802154_ATTR_IFINDEX, &ifindex, sizeof(ifindex)); netlink_attr(&nlmsg, NL802154_ATTR_SHORT_ADDR, &shortaddr, sizeof(shortaddr)); if (netlink_send(&nlmsg, sock_generic) < 0) { error = "NL802154_CMD_SET_SHORT_ADDR failed"; goto fail; } netlink_device_change(&nlmsg, sock_route, devname, true, 0, &hwaddr, sizeof(hwaddr), 0); if (i == 0) { netlink_add_device_impl(&nlmsg, "lowpan", "lowpan0", false); netlink_done(&nlmsg); netlink_attr(&nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex)); if (netlink_send(&nlmsg, sock_route) < 0) { error = "netlink: adding device lowpan0 type lowpan link wpan0"; goto fail; } } } } fail: close(sock_route); close(sock_generic); return error; } 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 (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } uint64_t r[3] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff}; void execute_one(void) { intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // prlimit64 arguments: [ // pid: pid (resource) // res: rlimit_type = 0xe (8 bytes) // new: nil // old: nil // ] syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul, /*new=*/0ul, /*old=*/0ul); // sched_setscheduler arguments: [ // pid: pid (resource) // policy: sched_policy = 0x2 (8 bytes) // prio: nil // ] syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_RR*/ 2ul, /*prio=*/0ul); // socket$inet arguments: [ // domain: const = 0x10 (8 bytes) // type: socket_type = 0x3 (8 bytes) // proto: int32 = 0x0 (4 bytes) // ] // returns sock_in res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=SOCK_RAW*/ 3ul, /*proto=*/0); if (res != -1) r[0] = res; // ioctl$sock_SIOCGIFINDEX arguments: [ // fd: sock (resource) // cmd: const = 0x8933 (4 bytes) // arg: ptr[out, ifreq_dev_t[devnames, ifindex]] { // ifreq_dev_t[devnames, ifindex] { // ifr_ifrn: buffer: {62 6f 6e 64 30 00 00 00 00 00 00 00 00 00 00 00} // (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes) // } // } // ] memcpy((void*)0x200000000300, "bond0\000\000\000\000\000\000\000\000\000\000\000", 16); res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8933, /*arg=*/0x200000000300ul); if (res != -1) r[1] = *(uint32_t*)0x200000000310; // socket$netlink arguments: [ // domain: const = 0x10 (8 bytes) // type: const = 0x3 (8 bytes) // proto: netlink_proto = 0x0 (4 bytes) // ] // returns sock_netlink res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0); if (res != -1) r[2] = res; // sendmsg$nl_route_sched arguments: [ // fd: sock_nl_route (resource) // msg: ptr[in, msghdr_netlink[netlink_msg_route_sched]] { // msghdr_netlink[netlink_msg_route_sched] { // addr: nil // addrlen: len = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // vec: ptr[in, iovec[in, netlink_msg_route_sched]] { // iovec[in, netlink_msg_route_sched] { // addr: ptr[in, netlink_msg_route_sched] { // union netlink_msg_route_sched { // newqdisc: netlink_msg_t[const[RTM_NEWQDISC, int16], // tcmsg[AF_UNSPEC], rtm_tca_policy] { // len: len = 0xa4 (4 bytes) // type: const = 0x24 (2 bytes) // flags: netlink_msg_flags = 0xf0b (2 bytes) // seq: int32 = 0x70bd2b (4 bytes) // pid: int32 = 0x0 (4 bytes) // payload: tcmsg[AF_UNSPEC] { // family: const = 0x0 (1 bytes) // tcm__pad1: const = 0x0 (1 bytes) // tcm__pad2: const = 0x12 (2 bytes) // ifindex: ifindex (resource) // tcm_handle: tcm_handle { // minor: tcm_handle_offsets = 0x0 (2 bytes) // major: tcm_handle_offsets = 0x11 (2 bytes) // } // tcm_parent: tcm_handle { // minor: tcm_handle_offsets = 0xffff (2 bytes) // major: tcm_handle_offsets = 0xffff (2 bytes) // } // tcm_info: tcm_handle { // minor: tcm_handle_offsets = 0x2 (2 bytes) // major: tcm_handle_offsets = 0x0 (2 bytes) // } // } // attrs: array[rtm_tca_policy] { // union rtm_tca_policy { // qdisc_kind_options: union qdisc_kind_options { // q_taprio: tca_kind_options_t["taprio", // array[taprio_policy]] { // TCA_KIND: nlattr_t[const[TCA_KIND, int16], // string["taprio"]] { // nla_len: offsetof = 0xb (2 bytes) // nla_type: const = 0x1 (2 bytes) // payload: buffer: {74 61 70 72 69 6f 00} (length // 0x7) size: buffer: {} (length 0x0) pad = 0x0 (1 // bytes) // } // TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16], // array[taprio_policy]] { // nla_len: offsetof = 0x74 (2 bytes) // nla_type: const = 0x2 (2 bytes) // payload: array[taprio_policy] { // union taprio_policy { // TCA_TAPRIO_ATTR_PRIOMAP: // nlattr_t[const[TCA_TAPRIO_ATTR_PRIOMAP, // int16], tc_mqprio_qopt] { // nla_len: offsetof = 0x56 (2 bytes) // nla_type: const = 0x1 (2 bytes) // payload: tc_mqprio_qopt { // num_tc: int8 = 0x2 (1 bytes) // prio_tc_map: array[int8] { // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x1 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // int8 = 0x0 (1 bytes) // } // hw: int8 = 0x0 (1 bytes) // count: array[int16] { // int16 = 0x5 (2 bytes) // int16 = 0x4 (2 bytes) // int16 = 0x2 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x8 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x9 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x3 (2 bytes) // } // offset: array[int16] { // int16 = 0x0 (2 bytes) // int16 = 0x8 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // int16 = 0x0 (2 bytes) // } // } // size: buffer: {} (length 0x0) // pad = 0x0 (2 bytes) // } // } // union taprio_policy { // TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST: // nlattr_tt[const[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST, // int16:14], 0, 1, // array[nlnest[TCA_TAPRIO_SCHED_ENTRY, // array[entry_policy$taprio]]]] { // nla_len: offsetof = 0x10 (2 bytes) // nla_type: const = 0x2 (1 bytes) // NLA_F_NET_BYTEORDER: const = 0x0 (0 bytes) // NLA_F_NESTED: const = 0x1 (1 bytes) // payload: // array[nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY, // int16:14], 0, 1, // array[entry_policy$taprio]]] { // nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY, // int16:14], 0, 1, // array[entry_policy$taprio]] { // nla_len: offsetof = 0xc (2 bytes) // nla_type: const = 0x1 (1 bytes) // NLA_F_NET_BYTEORDER: const = 0x0 (0 // bytes) NLA_F_NESTED: const = 0x1 (1 // bytes) payload: // array[entry_policy$taprio] { // union entry_policy$taprio { // TCA_TAPRIO_SCHED_ENTRY_INTERVAL: // nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL, // int16], int32] { // nla_len: offsetof = 0x8 (2 // bytes) nla_type: const = 0x4 (2 // bytes) payload: int32 = // 0x4000000 (4 bytes) size: // buffer: {} (length 0x0) // } // } // } // size: buffer: {} (length 0x0) // } // } // size: buffer: {} (length 0x0) // } // } // union taprio_policy { // TCA_TAPRIO_ATTR_SCHED_CLOCKID: // nlattr_t[const[TCA_TAPRIO_ATTR_SCHED_CLOCKID, // int16], int32] { // nla_len: offsetof = 0x8 (2 bytes) // nla_type: const = 0x5 (2 bytes) // payload: int32 = 0xb (4 bytes) // size: buffer: {} (length 0x0) // } // } // } // size: buffer: {} (length 0x0) // } // } // } // } // } // } // } // } // len: len = 0xa4 (8 bytes) // } // } // vlen: const = 0x1 (8 bytes) // ctrl: const = 0x0 (8 bytes) // ctrllen: const = 0x0 (8 bytes) // f: send_flags = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // } // } // f: send_flags = 0x0 (8 bytes) // ] *(uint64_t*)0x2000000007c0 = 0; *(uint32_t*)0x2000000007c8 = 0; *(uint64_t*)0x2000000007d0 = 0x200000000780; *(uint64_t*)0x200000000780 = 0x2000000000c0; *(uint32_t*)0x2000000000c0 = 0xa4; *(uint16_t*)0x2000000000c4 = 0x24; *(uint16_t*)0x2000000000c6 = 0xf0b; *(uint32_t*)0x2000000000c8 = 0x70bd2b; *(uint32_t*)0x2000000000cc = 0; *(uint8_t*)0x2000000000d0 = 0; *(uint8_t*)0x2000000000d1 = 0; *(uint16_t*)0x2000000000d2 = 0x12; *(uint32_t*)0x2000000000d4 = r[1]; *(uint16_t*)0x2000000000d8 = 0; *(uint16_t*)0x2000000000da = 0x11; *(uint16_t*)0x2000000000dc = -1; *(uint16_t*)0x2000000000de = -1; *(uint16_t*)0x2000000000e0 = 2; *(uint16_t*)0x2000000000e2 = 0; *(uint16_t*)0x2000000000e4 = 0xb; *(uint16_t*)0x2000000000e6 = 1; memcpy((void*)0x2000000000e8, "taprio\000", 7); *(uint16_t*)0x2000000000f0 = 0x74; *(uint16_t*)0x2000000000f2 = 2; *(uint16_t*)0x2000000000f4 = 0x56; *(uint16_t*)0x2000000000f6 = 1; *(uint8_t*)0x2000000000f8 = 2; *(uint8_t*)0x2000000000f9 = 0; *(uint8_t*)0x2000000000fa = 0; *(uint8_t*)0x2000000000fb = 0; *(uint8_t*)0x2000000000fc = 0; *(uint8_t*)0x2000000000fd = 0; *(uint8_t*)0x2000000000fe = 0; *(uint8_t*)0x2000000000ff = 0; *(uint8_t*)0x200000000100 = 0; *(uint8_t*)0x200000000101 = 0; *(uint8_t*)0x200000000102 = 0; *(uint8_t*)0x200000000103 = 1; *(uint8_t*)0x200000000104 = 0; *(uint8_t*)0x200000000105 = 0; *(uint8_t*)0x200000000106 = 0; *(uint8_t*)0x200000000107 = 0; *(uint8_t*)0x200000000108 = 0; *(uint8_t*)0x200000000109 = 0; *(uint16_t*)0x20000000010a = 5; *(uint16_t*)0x20000000010c = 4; *(uint16_t*)0x20000000010e = 2; *(uint16_t*)0x200000000110 = 0; *(uint16_t*)0x200000000112 = 8; *(uint16_t*)0x200000000114 = 0; *(uint16_t*)0x200000000116 = 9; *(uint16_t*)0x200000000118 = 0; *(uint16_t*)0x20000000011a = 0; *(uint16_t*)0x20000000011c = 0; *(uint16_t*)0x20000000011e = 0; *(uint16_t*)0x200000000120 = 0; *(uint16_t*)0x200000000122 = 0; *(uint16_t*)0x200000000124 = 0; *(uint16_t*)0x200000000126 = 0; *(uint16_t*)0x200000000128 = 3; *(uint16_t*)0x20000000012a = 0; *(uint16_t*)0x20000000012c = 8; *(uint16_t*)0x20000000012e = 0; *(uint16_t*)0x200000000130 = 0; *(uint16_t*)0x200000000132 = 0; *(uint16_t*)0x200000000134 = 0; *(uint16_t*)0x200000000136 = 0; *(uint16_t*)0x200000000138 = 0; *(uint16_t*)0x20000000013a = 0; *(uint16_t*)0x20000000013c = 0; *(uint16_t*)0x20000000013e = 0; *(uint16_t*)0x200000000140 = 0; *(uint16_t*)0x200000000142 = 0; *(uint16_t*)0x200000000144 = 0; *(uint16_t*)0x200000000146 = 0; *(uint16_t*)0x200000000148 = 0; *(uint16_t*)0x20000000014c = 0x10; STORE_BY_BITMASK(uint16_t, , 0x20000000014e, 2, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000000014f, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000000014f, 1, 7, 1); *(uint16_t*)0x200000000150 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x200000000152, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000000153, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000000153, 1, 7, 1); *(uint16_t*)0x200000000154 = 8; *(uint16_t*)0x200000000156 = 4; *(uint32_t*)0x200000000158 = 0x4000000; *(uint16_t*)0x20000000015c = 8; *(uint16_t*)0x20000000015e = 5; *(uint32_t*)0x200000000160 = 0xb; *(uint64_t*)0x200000000788 = 0xa4; *(uint64_t*)0x2000000007d8 = 1; *(uint64_t*)0x2000000007e0 = 0; *(uint64_t*)0x2000000007e8 = 0; *(uint32_t*)0x2000000007f0 = 0; syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x2000000007c0ul, /*f=*/0ul); // sched_setaffinity arguments: [ // pid: pid (resource) // cpusetsize: len = 0x0 (8 bytes) // mask: nil // ] syscall(__NR_sched_setaffinity, /*pid=*/0, /*cpusetsize=*/0ul, /*mask=*/0ul); // socketpair$unix arguments: [ // domain: const = 0x1 (8 bytes) // type: unix_socket_type = 0x2 (8 bytes) // proto: const = 0x0 (4 bytes) // fds: ptr[out, unix_pair] { // unix_pair { // fd0: sock_unix (resource) // fd1: sock_unix (resource) // } // } // ] syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0, /*fds=*/0x200000000200ul); // syz_mount_image$vfat arguments: [ // fs: ptr[in, buffer] { // buffer: {76 66 61 74 00} (length 0x5) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // flags: mount_flags = 0x18000 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {73 68 6f 72 74 6e 61 6d 65 3d 6c 6f 77 65 72 2c // 6c 61 74 65 3d 30 2c 73 68 6f 72 74 6e 61 6d 65 3d 77 69 6e 6e 74 // 2c 75 6e 69 5f 78 6c 61 74 65 3d 31 2c 63 6f 64 65 70 75 67 65 3d // 38 36 31 2c 73 68 6f 72 74 6e 61 6d 65 3d 77 69 6e 6e 74 2c 73 68 // 6f 72 74 6e 61 6d 72 73 65 74 3d 6d 61 63 74 75 72 6b 61 73 68 2c // 73 68 6f 72 74 6e 61 6d 65 3d 6d 69 78 65 64 2c 69 6f 63 68 61 72 // 73 65 74 3d 6d 61 63 63 65 6e 74 03 00 00 00 00 00 00 00 69 72 2c // 75 6e 69 5f 78 6c 61 74 65 3d 31 2c 00 00 00 00 00 00 98 e2 5c 71 // 14 65 11 be 05 c1 65 90 85 52 b1 ed ca 12 90 5d a7 23 bd 35 01 25 // 2a 33 7c 75 07 9f 50 d7 be db 24 86 a9 da ad bc e5 b0 92 a9 6e e3 // 4b 2a ab af c3 36 23 f2 09 18 ea b5 a4 07 37 cd 69 41 1b 87 e8 16 // c0 5b ef f3 00 70 bd 1a 8f 61 06 da a4 35 f7 56 e9 bc 02 4a 04 f8 // f2 e4 98 90 99 a4 d5 65 6b 5d 32 e2 fc 40 d2 a5 70 7e e8 32 8e 98 // 3b 6a da 9b 1c 3a c3 ea 18 3b 97 c8 3b 04 85 eb 17 34 57 fa 01 f2 // 8c 8e e8 be 10 3b 0a 03 00 00 00 00 00 00 00 00 00 00 00 00 00} // (length 0x143) // } // } // } // chdir: int8 = 0x1 (1 bytes) // size: len = 0x26c (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0x26c) // } // ] // returns fd_dir memcpy((void*)0x200000000040, "vfat\000", 5); memcpy((void*)0x2000000000c0, "./file0\000", 8); memcpy( (void*)0x200000000740, "\x73\x68\x6f\x72\x74\x6e\x61\x6d\x65\x3d\x6c\x6f\x77\x65\x72\x2c\x6c\x61" "\x74\x65\x3d\x30\x2c\x73\x68\x6f\x72\x74\x6e\x61\x6d\x65\x3d\x77\x69\x6e" "\x6e\x74\x2c\x75\x6e\x69\x5f\x78\x6c\x61\x74\x65\x3d\x31\x2c\x63\x6f\x64" "\x65\x70\x75\x67\x65\x3d\x38\x36\x31\x2c\x73\x68\x6f\x72\x74\x6e\x61\x6d" "\x65\x3d\x77\x69\x6e\x6e\x74\x2c\x73\x68\x6f\x72\x74\x6e\x61\x6d\x72\x73" "\x65\x74\x3d\x6d\x61\x63\x74\x75\x72\x6b\x61\x73\x68\x2c\x73\x68\x6f\x72" "\x74\x6e\x61\x6d\x65\x3d\x6d\x69\x78\x65\x64\x2c\x69\x6f\x63\x68\x61\x72" "\x73\x65\x74\x3d\x6d\x61\x63\x63\x65\x6e\x74\x03\x00\x00\x00\x00\x00\x00" "\x00\x69\x72\x2c\x75\x6e\x69\x5f\x78\x6c\x61\x74\x65\x3d\x31\x2c\x00\x00" "\x00\x00\x00\x00\x98\xe2\x5c\x71\x14\x65\x11\xbe\x05\xc1\x65\x90\x85\x52" "\xb1\xed\xca\x12\x90\x5d\xa7\x23\xbd\x35\x01\x25\x2a\x33\x7c\x75\x07\x9f" "\x50\xd7\xbe\xdb\x24\x86\xa9\xda\xad\xbc\xe5\xb0\x92\xa9\x6e\xe3\x4b\x2a" "\xab\xaf\xc3\x36\x23\xf2\x09\x18\xea\xb5\xa4\x07\x37\xcd\x69\x41\x1b\x87" "\xe8\x16\xc0\x5b\xef\xf3\x00\x70\xbd\x1a\x8f\x61\x06\xda\xa4\x35\xf7\x56" "\xe9\xbc\x02\x4a\x04\xf8\xf2\xe4\x98\x90\x99\xa4\xd5\x65\x6b\x5d\x32\xe2" "\xfc\x40\xd2\xa5\x70\x7e\xe8\x32\x8e\x98\x3b\x6a\xda\x9b\x1c\x3a\xc3\xea" "\x18\x3b\x97\xc8\x3b\x04\x85\xeb\x17\x34\x57\xfa\x01\xf2\x8c\x8e\xe8\xbe" "\x10\x3b\x0a\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 323); memcpy( (void*)0x200000000340, "\x78\x9c\xec\xdd\x4f\x6b\x53\x59\x18\x07\xe0\x37\x6d\x3a\x49\x0b\x43\xb2" "\x18\x28\x33\x0c\xcc\x1d\x66\x33\xab\xd0\x76\x98\x7d\xca\xd0\x81\x61\x02" "\x8a\x92\x85\xae\x2c\x36\x45\x69\x6a\xa1\x85\x82\x2e\xda\xee\x8a\xdf\x41" "\xbf\x82\x2e\xdd\x0a\x2e\xc4\xad\x5f\x40\x04\xa9\x82\x1b\xeb\xaa\x0b\x21" "\x12\x6f\xff\x24\x35\x89\x8d\x9a\x46\xec\xf3\x6c\xfa\x72\xee\xfb\xe3\x9c" "\x93\x5e\xee\xa5\x8b\x9e\x5c\xf9\x75\x79\x69\x61\x65\x6d\x71\x77\x77\x27" "\xf2\xf9\x4c\x64\xcb\x51\x8e\xbd\x4c\x14\x63\x24\x46\x23\xb5\x15\x00\xc0" "\xf7\x64\xaf\xd1\x88\x37\x8d\xd4\xb0\xd7\x02\x00\x9c\x0e\xef\x7f\x00\x38" "\x7b\x7a\xbd\xff\x33\x5b\x87\x63\xe7\x4f\x7f\x65\x00\xc0\xa0\x7c\xd1\xdf" "\xff\x23\x03\x59\x12\x00\x30\x60\x17\x2f\x5d\xfe\x7f\xb6\x52\x99\xbb\x90" "\x24\xf9\x88\xe5\xed\xf5\xea\x7a\x35\xfd\x99\x5e\x9f\x5d\x8c\xeb\x51\x8f" "\x5a\x4c\x45\x21\xde\x45\x34\x0e\xa5\xf5\xbf\xff\x55\xe6\xa6\x92\xa6\x97" "\xc5\xc8\x2f\x6f\x8e\xa4\xf9\xcd\xf5\xea\x68\x7b\x7e\x3a\x0a\x51\xec\x9c" "\x9f\x4e\x52\x51\x6d\xe6\x0e\xf2\x63\x31\xb1\x9f\x7f\x36\x11\xb5\x98\x89" "\x42\xfc\xd4\x39\x3f\xd3\x31\xff\x43\xfc\xf9\x47\xcb\xfc\xa5\x28\xc4\xd3" "\xab\xb1\x12\xf5\x58\x88\x66\x36\xcd\xe7\x22\x62\x63\x3a\x49\xfe\x39\x57" "\x39\x96\xcf\x7d\xe8\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x80\x41\x28\x25\x87\x8a\xed\xe7\xdf\xa4\xe7\xf7\x94\x4a" "\xdd\xae\xa7\xf9\xd6\xf3\x81\xc6\x7b\x9d\x0f\xd4\xd8\x3c\x76\xbe\x4e\x36" "\x7e\xc9\x0e\x77\xef\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\xf0\xad\x58\xbb\x79\x6b\x69\xbe\x5e\xaf\xad\xf6\x2a\x6e\x3c\xb9" "\xf7\x68\x27\x97\x06\x3e\xd9\xdc\xbb\xc8\xec\xcf\xdb\x5f\x6a\xbb\x67\xcf" "\xf8\xc9\x76\x71\xac\xf8\xf1\xf7\x17\x77\x3a\x5d\xca\x45\xae\xdf\xcf\xe7" "\xf3\x8a\xb1\x88\x68\x1d\x49\xf6\xa7\x7c\xf8\xdb\x00\x27\xfd\x5a\xc5\xe3" "\x9d\x6b\x3f\xff\xb5\x36\xf9\x77\xb7\x9e\xc8\xb6\x8e\xdc\x6e\x6e\xb5\xad" "\xa7\xcb\x8d\x94\x1d\xd4\x07\xfe\xba\x10\xd1\xb5\x27\xdf\xf7\x0d\xd9\x5a" "\xdc\x3f\x28\xca\x6f\x3f\xea\x39\xb8\x95\x6a\xab\xe3\xc3\xfe\xc5\x4d\xde" "\x2d\xcf\x3f\xd8\x78\xfe\xea\xa4\xa9\x1e\x0f\x8d\xc6\xe8\x20\x1e\x45\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\xe6\x1d\xfd\xd3" "\xef\xb0\x57\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\xc3" "\x73\xf4\xfd\xff\xfd\x16\xb9\x68\x1b\xc9\x77\x6d\xde\x1a\xf6\x1e\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\x00\x00\x00\x00\xe0\x7d\x00" "\x00\x00\xff\xff\xba\x97\x95\x25", 620); syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x2000000000c0, /*flags=MS_POSIXACL|MS_SILENT*/ 0x18000, /*opts=*/0x200000000740, /*chdir=*/1, /*size=*/0x26c, /*img=*/0x200000000340); // clock_settime arguments: [ // id: clock_id = 0x0 (8 bytes) // tp: ptr[in, timespec] { // timespec { // sec: time_sec (resource) // nsec: time_nsec (resource) // } // } // ] *(uint64_t*)0x200000000240 = 0x77359400; *(uint64_t*)0x200000000248 = 0; syscall(__NR_clock_settime, /*id=*/0ul, /*tp=*/0x200000000240ul); } 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; if ((reason = setup_802154())) printf("the reproducer may not work as expected: 802154 injection setup " "failed: %s\n", reason); use_temporary_dir(); loop(); return 0; }