// https://syzkaller.appspot.com/bug?id=be6e90ce70987950e6deb3bac8418344ca8b96cd // 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 #ifndef __NR_memfd_create #define __NR_memfd_create 319 #endif static unsigned long long procid; static __thread int clone_ongoing; static __thread int skip_segv; static __thread jmp_buf segv_env; static void segv_handler(int sig, siginfo_t* info, void* ctx) { if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) { exit(sig); } uintptr_t addr = (uintptr_t)info->si_addr; const uintptr_t prog_start = 1 << 20; const uintptr_t prog_end = 100 << 20; int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0; int valid = addr < prog_start || addr > prog_end; if (skip && valid) { _longjmp(segv_env, 1); } exit(sig); } static void install_segv_handler(void) { struct sigaction sa; memset(&sa, 0, sizeof(sa)); sa.sa_handler = SIG_IGN; syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8); syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8); memset(&sa, 0, sizeof(sa)); sa.sa_sigaction = segv_handler; sa.sa_flags = SA_NODEFER | SA_SIGINFO; sigaction(SIGSEGV, &sa, NULL); sigaction(SIGBUS, &sa, NULL); } #define NONFAILING(...) \ ({ \ int ok = 1; \ __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ if (_setjmp(segv_env) == 0) { \ __VA_ARGS__; \ } else \ ok = 0; \ __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ ok; \ }) 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; } #define MAX_FDS 30 //% 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, 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 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, loopfd = -1, 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) { memset(loopname, 0, sizeof(loopname)); snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); if (setup_loop_device(data, size, loopname, &loopfd) == -1) return -1; 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) { ioctl(loopfd, LOOP_CLR_FD, 0); close(loopfd); } errno = err; return res; } static void setup_common() { 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); setsid(); 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); setup_common(); sandbox_common(); drop_caps(); if (unshare(CLONE_NEWNET)) { } write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535"); setup_binderfs(); loop(); exit(1); } static void close_fds() { for (int fd = 3; fd < MAX_FDS; fd++) close(fd); } static void setup_binfmt_misc() { if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) { } write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:"); write_file("/proc/sys/fs/binfmt_misc/register", ":syz1:M:1:\x02::./file0:POC"); } uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void loop(void) { intptr_t res = 0; NONFAILING(memcpy((void*)0x20000040, "ext4\000", 5)); NONFAILING(memcpy((void*)0x20000500, "./file1\000", 8)); NONFAILING(memcpy( (void*)0x20003e80, "\x00\xbf\x60\x42\xaa\xa5\xc8\x9f\x1a\xa1\xfc\xbc\xbb\xaa\x9c\xac\x31\xb2" "\x82\x40\x14\x8a\x0a\x68\x82\x7e\xb0\x83\xa3\x81\xba\xbc\xd2\x1f\x75\x03" "\xdf\x50\x11\x14\xd7\x94\x02\x00\x00\x00\x00\x00\x00\x00\xf9\x25\x56\x71" "\x3c\x0f\xe3\xf4\xe1\x3f\xa3\x61\x84\xa1\x61\x44\x77\x56\xdd\x0c\xf8\xdc" "\x7d\x5c\xea\x09\x88\xba\xf0\x3e\xfe\xbb\x63\xbd\x7a\x59\x83\xf0\x81\xf8" "\x11\xf1\x97\xb7\x8a\x5f\x5e\x95\x83\x8c\xc9\x0e\x64\x46\xd8\x18\x9c\x91" "\x21\xb3\xcc\xf5\xb2\x4d\x46\x84\x24\x2b\x4f\x85\xf6\xd4\x32\x31\xb7\xb9" "\x24\x0f\x74\xbd\xac\xf3\x4b\x21\x79\x65\xc0\x2b\x7b\xe4\x19\x32\x6a\x31" "\x68\xc7\xdf\x4e\xb8\xdc\x2e\x7c\xc0\xd1\xc7\x08\xa1\x50\x28\x78\x63\x3e" "\xca\x49\xf3\x58\xe5\xb8\x55\x51\xff\x6e\x49\x77\x65\x08\xbf\x45\xb3\xc7" "\x1a\xf4\x15\x80\x00\x00\x00\xab\xd9\x9b\xb3\x4d\x1c\x23\x03\xb5\x1c\x29" "\xd0\x2f\xae\x2c\x7f\x03\x7b\xe4\xb4\xbc\x63\xea\xa6\x8a\x1e\x08\xe3\xfb" "\xc0\x77\x44\xa5\xdd\x13\x55\x53\xdb\x00\x6f\x1e\x0a", 229)); NONFAILING(memcpy( (void*)0x20000540, "\x78\x9c\xec\xdd\xdf\x6b\x5b\xd7\x1d\x00\xf0\xef\xbd\xb6\xb2\xfc\x70\x66" "\x67\xdb\x43\x16\x58\x16\x96\x0c\x27\x6c\x91\xec\x78\x49\xcc\x1e\xb2\x0c" "\xc6\xf2\x14\xd8\x96\xbd\x67\x9e\x2d\x1b\x63\xd9\x32\x96\x9c\xc4\x26\x0c" "\x87\xfd\x01\x83\x31\xd6\x42\x9f\xfa\xd4\x97\x42\xff\x80\x42\xc9\x9f\x50" "\x0a\x81\xf6\xbd\xb4\xa5\xa5\xb4\x49\xfb\xd0\x87\xb6\x2a\x92\xae\xd2\xc4" "\x95\x62\x87\xc8\xbe\x60\x7f\x3e\x70\x7c\xcf\xb9\x57\xd2\xf7\x7b\x6c\x74" "\x75\xcf\xbd\xc7\xba\x01\xec\x5b\xa7\x22\xe2\x6a\x44\x0c\x44\xc4\xb9\x88" "\x18\xce\xd6\xa7\x59\xb9\xd6\x6c\x6c\xb4\x1f\xf7\xe8\xe1\xdd\xe9\x66\x49" "\xa2\xd1\xb8\xf1\x59\x12\x49\xb6\xae\xf3\x5a\x49\xb6\x3c\xd2\x7e\x4a\x1c" "\x8c\x88\xbf\x5d\x8b\xf8\x67\xf2\xc3\xb8\xb5\xb5\xf5\x85\xa9\x4a\xa5\xbc" "\x92\xb5\x4b\xf5\xc5\xe5\x52\x6d\x6d\xfd\xfc\xfc\xe2\xd4\x5c\x79\xae\xbc" "\x34\x31\x31\x7e\x69\xf2\xf2\xe4\xc5\xc9\xb1\xbe\xf4\x73\x24\x22\xae\xfc" "\xe9\xa3\xff\xff\xe7\xb5\x3f\x5f\x79\xeb\xb7\xb7\xdf\xbf\xf9\xc9\xd9\x7f" "\x35\xd3\x1a\xca\xb6\x3f\xd9\x8f\x7e\x6a\x77\xbd\xd0\xfa\x5d\x74\x0c\x46" "\xc4\xca\x4e\x04\xcb\xc1\x40\xb6\x2c\xe4\x9c\x07\x00\x00\xdb\xd3\x3c\xc6" "\xff\x49\x44\xfc\xaa\x75\xfc\x3f\x1c\x03\xad\xa3\x53\x00\x00\x00\x60\x2f" "\x69\xfc\x61\x28\xbe\x4e\x22\x1a\x00\x00\x00\xc0\x9e\x95\xb6\xe6\xc0\x26" "\x69\x31\x9b\x0b\x30\x14\x69\x5a\x2c\xb6\xe7\xf0\xfe\x2c\x0e\xa7\x95\x6a" "\xad\xfe\x9b\xd9\xea\xea\xd2\x4c\x7b\xae\xec\x48\x14\xd2\xd9\xf9\x4a\x79" "\x2c\x9b\x2b\x3c\x12\x85\xa4\xd9\x1e\xcf\xe6\xd8\x76\xda\x17\x36\xb5\x27" "\x22\xe2\x58\x44\xfc\x6f\xf8\x50\xab\x5d\x9c\xae\x56\x66\xf2\x3e\xf9\x01" "\x00\x00\x00\xfb\xc4\x91\x4d\xe3\xff\x2f\x87\xdb\xe3\x7f\x00\x00\x00\x60" "\x8f\x19\xc9\x3b\x01\x00\x00\x00\x60\xc7\x19\xff\x03\x00\x00\xc0\xde\x67" "\xfc\x0f\x00\x00\x00\x7b\xda\x5f\xae\x5f\x6f\x96\x46\xe7\xfe\xd7\x33\xb7" "\xd6\x56\x17\xaa\xb7\xce\xcf\x94\x6b\x0b\xc5\xc5\xd5\xe9\xe2\x74\x75\x65" "\xb9\x38\x57\xad\xce\xb5\xbe\xb3\x6f\x71\xab\xd7\xab\x54\xab\xcb\xbf\x8b" "\xa5\xd5\x3b\xa5\x7a\xb9\x56\x2f\xd5\xd6\xd6\x6f\x2e\x56\x57\x97\xea\x37" "\xe7\x9f\xba\x05\x36\x00\x00\x00\xb0\x8b\x8e\xfd\xf2\xfe\x7b\x49\x44\x6c" "\xfc\xfe\x50\xab\x34\x1d\xc8\x3b\x29\x60\x57\x24\xcf\xf3\xe0\x0f\x77\x2e" "\x0f\x60\xf7\x0d\xe4\x9d\x00\x90\x9b\xc1\xbc\x13\x00\x72\x53\xc8\x3b\x01" "\x20\x77\x5b\x9d\x07\xe8\x39\x79\xe7\xed\xfe\xe7\x02\x00\x00\xec\x8c\xd1" "\x9f\xf7\xbe\xfe\xef\xdc\x00\xec\x6d\x69\xde\x09\x00\x00\xbb\xce\xf5\x7f" "\xd8\xbf\x0a\x66\x00\xc2\xbe\xf7\xe3\x2d\xb6\xbf\xf8\xf5\xff\x46\xe3\xb9" "\x12\x02\x00\x00\xfa\x6e\xa8\x55\x92\xb4\x98\x5d\x0b\x1c\x8a\x34\x2d\x16" "\x23\x8e\xb6\x6e\x0b\x50\x48\x66\xe7\x2b\xe5\xb1\x6c\x7c\xf0\xee\x70\xe1" "\x47\xcd\xf6\x78\xeb\x99\xc9\xf3\xfd\xef\x30\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xec\x63\x8d\x46\x12\x0d" "\x00\x00\x00\x60\x4f\x8b\x48\x3f\x4e\x5a\xdf\xe6\x1f\x31\x3a\x7c\x66\x68" "\xf3\xf9\x81\x03\xc9\x57\xc3\xad\x65\x44\xdc\x7e\xe5\xc6\x4b\x77\xa6\xea" "\xf5\x95\xf1\xe6\xfa\xcf\x1f\xaf\xaf\xbf\x9c\xad\xbf\x90\xc7\x19\x0c\x00" "\x00\x00\x60\xb3\xce\x38\xbd\x33\x8e\x07\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\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\x7e\x7a\xf4\xf0\xee\x74\xa7" "\xec\x66\xdc\x4f\xff\x18\x11\x23\xdd\xe2\x0f\xc6\xc1\xd6\xf2\x60\x14\x22" "\xe2\xf0\x17\x49\x0c\x3e\xf1\xbc\x24\x22\x06\xfa\x10\x7f\xe3\x5e\x44\x1c" "\xef\x16\x3f\x69\xa6\x15\x23\x59\x16\xdd\xe2\x1f\xca\x31\x7e\x1a\x11\x47" "\xfa\x10\x1f\xf6\xb3\xfb\xcd\xfd\xcf\xd5\x6e\xef\xbf\x34\x4e\xb5\x96\xdd" "\xdf\x7f\x83\x59\x79\x51\xbd\xf7\x7f\xe9\xe3\xfd\xdf\x40\x8f\xfd\xcf\xd1" "\x6d\xc6\x38\xf1\xe0\x8d\x52\xcf\xf8\xf7\x22\x4e\x0c\x76\xdf\xff\x74\xe2" "\x27\x3d\xe2\x9f\xde\x66\xfc\x7f\xfc\x7d\x7d\xbd\xd7\xb6\xc6\xab\x11\xa3" "\x5d\x3f\x7f\x92\xa7\x62\x95\xea\x8b\xcb\xa5\xda\xda\xfa\xf9\xf9\xc5\xa9" "\xb9\xf2\x5c\x79\x69\x62\x62\xfc\xd2\xe4\xe5\xc9\x8b\x93\x63\xa5\xd9\xf9" "\x4a\x39\xfb\xd9\x35\xc6\x7f\x7f\xf1\xe6\xb7\xcf\xea\xff\xe1\x1e\xf1\x47" "\xb6\xe8\xff\x99\x6d\xf6\xff\x9b\x07\x77\x1e\xfe\xb4\x5d\x2d\x74\x8b\x7f" "\xf6\x74\xf7\xcf\xdf\xe3\x3d\xe2\xa7\xd9\x67\xdf\xaf\xb3\x7a\x73\xfb\x68" "\xa7\xbe\xd1\xae\x3f\xe9\xe4\xeb\xef\x9c\x7c\x56\xff\x67\x7a\xf4\x7f\xab" "\xbf\xff\xd9\x6d\xf6\xff\xdc\x5f\xff\xfd\xc1\x36\x1f\x0a\x00\xec\x82\xda" "\xda\xfa\xc2\x54\xa5\x52\x5e\x51\x51\x51\x51\x79\x5c\xc9\x7b\xcf\x04\x00" "\x00\xf4\xdb\xf7\x07\xfd\x79\x67\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\xfb\xd7\x6e\x7c\x9d\xd8\xe6\x98\x1b\xf9\x74\x15" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x99\xbe\x0b\x00\x00\xff\xff\xf7\xa0\xd4\xed", 1204)); NONFAILING(syz_mount_image( /*fs=*/0x20000040, /*dir=*/0x20000500, /*flags=*/0x4500, /*opts=*/0x20003e80, /*chdir=*/0x12, /*size=*/0x4b4, /*img=*/0x20000540)); NONFAILING(memcpy((void*)0x20000180, "./bus\000", 6)); res = syscall(__NR_open, /*file=*/0x20000180ul, /*flags=*/0x14d27eul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x600000ul, /*prot=*/0x27ffffful, /*flags=*/0x4002011ul, /*fd=*/r[0], /*offset=*/0ul); syscall(__NR_fallocate, /*fd=*/r[0], /*mode=*/0ul, /*off=*/0x8947ul, /*len=*/7ul); NONFAILING(memcpy((void*)0x20000380, "/dev/loop", 9)); NONFAILING(*(uint8_t*)0x20000389 = 0x30); NONFAILING(*(uint8_t*)0x2000038a = 0); NONFAILING(memcpy((void*)0x20000140, "./bus\000", 6)); syscall(__NR_mount, /*src=*/0x20000380ul, /*dst=*/0x20000140ul, /*type=*/0ul, /*flags=*/0x1000ul, /*data=*/0ul); NONFAILING(memcpy((void*)0x20000000, "./bus\000", 6)); res = syscall(__NR_open, /*file=*/0x20000000ul, /*flags=*/0x14113eul, /*mode=*/0ul); if (res != -1) r[1] = res; NONFAILING(*(uint64_t*)0x20003640 = 0); NONFAILING(*(uint32_t*)0x20003648 = 0); NONFAILING(*(uint64_t*)0x20003650 = 0x20003300); NONFAILING(*(uint64_t*)0x20003300 = 0); NONFAILING(*(uint64_t*)0x20003308 = 0); NONFAILING(*(uint64_t*)0x20003310 = 0); NONFAILING(*(uint64_t*)0x20003318 = 0); NONFAILING(*(uint64_t*)0x20003320 = 0); NONFAILING(*(uint64_t*)0x20003328 = 0); NONFAILING(*(uint64_t*)0x20003330 = 0); NONFAILING(*(uint64_t*)0x20003338 = 0); NONFAILING(*(uint64_t*)0x20003340 = 0x20002e80); NONFAILING(memcpy( (void*)0x20002e80, "\xfa\x6a\x31\x20\xa4\x78\x45\xf4\xd1\xea\x64\x22\x71\x59\x1a\x02\xa5\xe4" "\x5b\xf0\xdd\xe9\xdd\xfe\xf0\x44\xe0\x19\xfa\x7a\x89\xe6\xc5\xfc\x62\xfd" "\x3b\xd9\x8d\x56\x73\xd0\xea\x63\xbd\xdd\xa2\x0c\xfe\x71\x4f\xf1\x56\x6b" "\x31\x56\x7b\x79\x22\x9e\x09\x94\x49\x5e\x07\xa9\x30\x07\x40\x93\xec\x24" "\xf8\x12\xed\x76\x46\x5c\x17\xfd\x8d\x73\x6b\xa6\xdd\x7f\x06\x96\x49\xef" "\xfa\x73\x98\xcf\x6e\x6c\xeb\x6f\x40\x89\xdd\x36\x99\x09\x78\xcf\x03\x0b" "\x6f\x0b\x0d\x62\x87\x36\x80\x39\x77\xb6\x49\x9f\x27\x1e\xbc\x6f\x15\xd5" "\x73\xb2\x3e\xfb\x24\x6e\x75\x8c\x7f\xf6\x83\x77\xe3\x86\xa9\x19\xd5\x5f" "\x8d\xd8\x64\x45\x1f\xda\x65\x43\x55\x16\x10\xbc\xd4\x57\x65\x3b\xb0\x60" "\x7a\x6b\x36\xdb\x49\x63\xfc\x6d\x39\x5b\x9f\x7b\xb1\x4c\xb9\x9d\x07\xaa" "\xb3\x9c\xb5\x38\x3f\x53\xf3\x36\xad\xb9\xe8\x32\x1a\xb0\xa6\x87\xae\xa5" "\x3c\x9e\x2b\xc1\xbc\x4d\x79\x4c\xde\xc7\xf5\x56\xc8\x4c\x5f\xfd\xfd\xb3" "\x74\x0a\x5c\x54\xb3\xfe\x7e\xc3\xc7\xe0\x40\x59\x78\x5d\x41\x95\x25\x2f" "\x41\x0e\xa7\xd1\xbf\x75", 240)); NONFAILING(*(uint64_t*)0x20003348 = 0xf0); NONFAILING(*(uint64_t*)0x20003350 = 0); NONFAILING(*(uint64_t*)0x20003358 = 0); NONFAILING(*(uint64_t*)0x20003360 = 0x20003f80); NONFAILING(memcpy( (void*)0x20003f80, "\x9b\x53\x92\x69\xd8\xd0\xde\x81\xa2\x5c\xa7\x5a\x89\x32\xd9\xa3\x81\x4b" "\x65\xa1\xb7\x87\x0a\xfb\xf6\x67\x8c\xac\x61\x69\xf9\x42\x74\xb4\xee\x67" "\x12\x02\xa0\xab\xec\xa2\xbd\x50\x4b\x6d\x70\xad\xc6\xcd\x1e\x7c\x46\xe8" 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"\xf2\x8e\xac\x48\xe0\xa2\xb9\xb2\x13\xf5\x0a\x24\xa3\xc8\x5e\x93\xaf\x30" "\x00\x42\xee\x10\xa1\xe3\x80\x39\xc6\xb7\xd1\x8f\x91\x14\x73\x67\xa1\x80" "\xcf\x87\x85\xbf\x67\xba\x8c\x73\x16\xc8\x9b\xf6\x66\x6a\x3e\x4a\xd9\x42" "\xce\x3e\xbe\x90\x14\x5f\x2c\xfa\x2b\x74\x92\xad\x90\x0b\x08\x33\x6d\x3e" "\x7e\xb9\x9c\x9c\x69\x6c\x35\xd0\x36\x7e\xdf\xed\x1f\x08\xb5\xe4\xf5\x6d" "\x48\xae\x90\x1a\x67\x6b\xc3\x1f\x3c\x57\xe6\xa8\x91\x10\x40\x5c\x9c\xae" "\xfb\x36\x6f\x45\xf6\x01\x96\x11\xee\x52\xbe\x6e\x16\xc1\x31\xa3\x28\x25" "\x37\x01\xf3\xf9\x42\x8f\xc5\x4f\x82\x51\xc9\xac\x21\x88\x2e\x37\xf2\x12" "\x2d\x15\x07\x46\xdf\xc1\x50\x20\x1c\xe0\xf5\xd1\x89\xd7\x08\xeb\xcd\xab" "\x30\x2d\x93\x24\x7f\x60\xe2\x9c\xb1\x0f\x31\x13\x4e\xef\xab\xdd\x27\xca" "\xf1\xbb\xbd\x7c\xd5\x8f\x34\x2d\x43\xb7\xc8\x52\xb7\x3d\xf3\xba\x6c\x16" "\x66\x84\x28\xa5\x57\xe8\x6f\x55\x6a\x95\x21\x47\xd0\xff\xc2\xdd\x05\x22" "\xc6\xf9\x44\x80\x37\x66\xe1\x14\xd0\x61\xed\x02\xec\xa3\x53\xa5\x46\x79" "\xb7\x1d\x49\x1b\x79\xfe\xbb\xba\x9d\xe8\xa4\x19\x8b\xf6\x00\x1c\x44\x10" "\x68\xc0\xd4\xf6\x6f\x1f\x8e\xc9\x5b\x05\x04\x5f\x2f\x16\xc2\xda\xb6\xfc" "\x62\xec\x97\x71\x10\xb3\xc9\xf8\x27\x73\xb7\xd1\x70\x3e\xb7\x4b\x5e\xbc" "\xc3\x23\xf7\xf9\x54\x58\xeb\x52\x6b\xf6\x72\xe2\x08\xed\x6f\x51\x0c\xe8" "\xb6\x06\x01\x6e\x59\x5f\xc7\xf8\xd7\x68\x54\x98\x97\x58\x1d\x4f\x88\x77" "\x70\x4a\xa4\xf6\xc2\x94\xbf\x9f\x09\xf4\x17\x57\xf6\x8f\x03\x9e\xee\x8c" "\xa0\x63\xd7\x8b\xc1\xd2\xe8\x2c\x47\xa3\x3e\x30\xf8\xc0\xfa\xa7\xfd\x3a" "\x3b\x61\x7e\x1b\xe5\x2d\x0e\x97\x58\xa6\x67\x64\xab\x92\xc5\xb6\x78\x7b" "\x4a\x95\x5c\xa1\x40\xf3\x58\x04\x11\x49\x24\x73\x4a\x64\xd8\xfd\x41\x1d" "\xf2\x34\xe8\x60\x10\xfa\x87\xd8\x37\x20\xc3\xcc\xdb\xf9\x49\xb4\x4a\x13" "\x3e\xc7\xa8\xf9\x4b\xc0\x00\xf0\x87\x8d\xaf\x66\xae\x43\xd0\x6a\x6b\x06" "\xef\x37\xe2\xce\x2b\x31\x4f\x64\x39\xf1\x7e\xb6\x8d\x05\x78\xab\x33\x4a" "\x7d\xc1\x15\xfd\xf7\xea\xed\xe8\x2f\x56\xe8\xd8\xc8\xb4\x27\x8e\xc6\x2b" "\xe0\x5c\xb3\x24\x86\xf0\xbf\x39\x3c\x18\x83\xcd\x88\xf0\xaf\x2f\xbc\x23" "\xa0\x35\x4c\x7f\xb1\xe4\xad\xdf\x40\xed\x48\xbf\xae\x51\x97\xfc\x0f\xef" "\x43\x6d\x5b\x4f\x7c\x06\x11\xb2\xd8\x09\x37\x2c\x58\xe2\x95\x8d\xc1\x07" "\xe8\x15\xa6\x1b\x6e\x24\x0f\xc8\xe5\x7f\x0b\x6f\xea\xe6\x2d\x3a\xb3\x7f" "\x03\x52\x47\xfd\xb3\xf9\x0c\x99\x38\x09\xcd\x88\xe6\x09\xd4\x28\x25\xbd" "\x5d\x8e\xed\x5b\xe9\x1e\x3a\x7c\x10\x4b\x18\x01\x5b\x27\x7d\x8a\x03\x89" "\x22\x70\x8f\x92\x33\x39\xce\x7c\x1e\x8a\xbb\xe3\x52\x5c\xa9\xa8\xb9\xd7" "\x2f\x0a\xaa\x6e\x3c\xe1\xfa\xdc\xc6\x6c\x94\x68\x9b\x09\xe5\xa2\xd8\xe4" "\x41\xa8\x3f\xb4\x59\xe1\xb0\x64\x9a\x47\xbf\xf7\xd3\x3e\x73\xe7\xd0\x9c" "\x8b\x7e\x73\x02\x19\x50\xab\x77\x42\x82\xfe\xf9\x26\x37\xeb\x31\x51\x2c" "\x71\x04\xee\x61\x5d\xf7\x98\xa6\x5e\x96\x4e\xeb\x8b\xf2\xb2\x09\xf4\xec" "\x5c\x6e\x17\x1d\xa8\x7a\x0e\xa0\x05\x8f\x0c\xa4\x5f\x42\x85\x78\x95\xb2" "\x20\x7f\xe4\x75\x46\x87\xe7\x6b\xc9\xb5\xd4\x7c\xfb\xf7\x15\x3f\x5d\x38" "\xd6\x2f\x26\x2c\x8f\xc8\x77\xbd\x41\x8f\xc1\xd6\xa0\x79\xec\xfc\x4a\x6f" "\xad\xc9\x5b\x6c\x14\xd3\x6c\x0d\xab\x1f\x8b\x57\x7b\x1f\xd9\xbb\xae\x69" "\x1e\x8c\x7b\x63\xad\x7c\xd0\xa8\x78\xed\x70\x2f\x2b\xb0\xe2\x90\x36\x8f" "\xf0\x0d\x44\xbd\x16\x41\x51\x3b\xbc\xb5\xca\x0d\x98\x79\xec\x41\x76\x17" "\x5d\xf2\x8b\xf4\x7c\x8c\x63\xca\xf5\xbd\x8f\xff\xd4\x29\xe7\x15\x5f\x6b" "\x1c\xf5\x35\x2c\xcd\x6e\x6d\x26\x62\x02\x83\x52\x96\x72\xf3\x13\x8b\x85" "\x22\x22\xd4\x6d\xe7\x69\x45\x84\xf8\xce\x77\x3d\x2c\x93\x82\x2b\x8a\x0c" "\x8f\x07\xd1\x2e\xf0\xda\x5e\xd5\xc1\x8e\x21\x57\xc5\xcf\x1e\xa4\x42\xf6" "\x88\xbf\x43\xc0\x58\x34\xab\xbe\x2f\xce\x98\x62\x9b\x23\xa4\x27\x53\x19" "\xc8\x48\xa0\x8b\x0f\xae\xce\x6b\xf8\xbd\xb6\x7d\x69\xf7\x54\x33\x7b\xf6" "\x56\xa1\xdc\x68\x1b\xf6\x85\xca\x20\x67\xaf\xf8\x04\x83\x1b\xcb\x38\xc7" "\x3f\xbc\xee\xf6\x74\xe6\xe4\x21\x3e\x1a\xc8\x4f\x6a\xb5\xff\x28\xa6\x44" "\x91\x19\x25\x49\x6c\x42\xf9\xf5\x4f\xb5\xf6\xe6\x0e\xbe\x35\x30\xe9\x75" "\x9d\xb3\x8c\x66\x62\x2f\x75\x9f\x0a\x11\x3f\xf4\x1c\xac\x08\x37\xcd\x46" "\x4a\x7e\xde\x68\x23\x22\xa6\x3f\x47\xe1\x13\xc7\xef\x10\xde\x79\x13\xfa" "\x6d\x6c\xcf\x2e\xd5\x8d\x90\x3b\x5b\x3c\x74\xb9\x0a\x0b\x6c\xfc\x1a\x2c" "\xf0\xa3\x73\xbf\x12\x80\xe0\x5f\x38\x44\x0b\xed\x3c\x7d\x8b\x63\x80\xe9" "\xb6\x35\x41\x55\xad\x3e\x30\x89\x76\x19\x5c\xc2\x01\xaf\xf6\xd3\xaa\x2e" "\x51\x37\x80\x77\x9a\xf3\x23\xc4\x85\x21\xa6\x27\xbb\xba\x45\x7a\x48\x18" "\x72\xc5\x7b\x97\xe3\x0a\xaa\x09\x92\xdb\x76\x29\x07\x0d\xc1\xe9\x26\xdf" "\xff\x4d\x53\x4c\x4c\x1d\x04\x95\x23\x94\xb5\x29\x2e\x64\xae\x49\x97\x7a" "\x03\x4b\xbe\x5f\x3b\x58\x3a\x70\x59\xf5\xb3\xb4\xf1\x18\x73\x78\x12\x34" "\x10\x37\xeb\xcf\xf4\x1a\xed\x9e\x2c\xf6\xd2\xd0\x7d\x64\xc4\x20\x1f\x9a" "\xab\x54\xa9\x61\xc8\x7b\xec\xb1\x16\x41\x4b\xf1\xd6\x81\x77\x41\x3e\x13" "\x4c\x63\xe2\xae\xc7\xac\xfa\xfa\x95\xfb\xa5\xab\x3d\xba\xcf\xb0\xf4\x08" "\x2c\x87\x90\x8e\xab\xa9\xf1\x02\x00\x5a\xf2\x46\x24\x0d\x87\xf1\xdf\x04" "\xea\x72\x43\x4f\x07\x06\xf8\xcf\x0d\x62\xab\x41\xa3\xea\xbf\xf9\x47\x33" "\x61\x74\xc1\xaf\xa4\xe0\x2c\xbf\x9f\xa3\x9e\x09\x8c\x25\xf0\xb8\x2d\x71" "\x12\xe4\x51\x64\x20\x21\xce\xfd\x38\x5b\x41\xe2\xf5\x80\x9c\x5c\x60\x62" "\x19\x7d\xab\xe5\xc5\x9e\x5f\xf7\x61\x19", 4096)); NONFAILING(*(uint64_t*)0x20003368 = 0x1000); NONFAILING(*(uint64_t*)0x20003370 = 0); NONFAILING(*(uint64_t*)0x20003378 = 0); NONFAILING(*(uint64_t*)0x20003380 = 0); NONFAILING(*(uint64_t*)0x20003388 = 0); NONFAILING(*(uint64_t*)0x20003390 = 0); NONFAILING(*(uint64_t*)0x20003398 = 0); NONFAILING(*(uint64_t*)0x20003658 = 0xa); NONFAILING(*(uint64_t*)0x20003660 = 0); NONFAILING(*(uint64_t*)0x20003668 = 0); NONFAILING(*(uint32_t*)0x20003670 = 0); NONFAILING(*(uint32_t*)0x20003678 = 0); NONFAILING(*(uint64_t*)0x20003680 = 0); NONFAILING(*(uint32_t*)0x20003688 = 0); NONFAILING(*(uint64_t*)0x20003690 = 0); NONFAILING(*(uint64_t*)0x20003698 = 0); NONFAILING(*(uint64_t*)0x200036a0 = 0); NONFAILING(*(uint64_t*)0x200036a8 = 0); NONFAILING(*(uint32_t*)0x200036b0 = 0); NONFAILING(*(uint32_t*)0x200036b8 = 0); syscall(__NR_sendmmsg, /*fd=*/r[1], /*mmsg=*/0x20003640ul, /*vlen=*/2ul, /*f=*/0x810ul); syscall(__NR_write, /*fd=*/r[1], /*data=*/0x20002a40ul, /*len=*/0x156a396ul); { int i; for (i = 0; i < 64; i++) { syscall(__NR_write, /*fd=*/r[1], /*data=*/0x20002a40ul, /*len=*/0x156a396ul); } } close_fds(); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); setup_binfmt_misc(); install_segv_handler(); do_sandbox_none(); return 0; }