// https://syzkaller.appspot.com/bug?id=a272a4d807c2adff33328f807ac77e07dcec0bb7 // 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 #ifndef __NR_memfd_create #define __NR_memfd_create 279 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_openat #define __NR_openat 56 #endif #ifndef __NR_write #define __NR_write 64 #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; \ }) //% 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; } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; install_segv_handler(); intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // syz_mount_image$bfs arguments: [ // fs: ptr[in, buffer] { // buffer: {62 66 73 00} (length 0x4) // } // dir: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // flags: mount_flags = 0x8008 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYRESOCT: ANYRES64 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYRES16: ANYRES16 (resource) // } // union ANYUNION { // ANYRESOCT: ANYRES64 (resource) // } // union ANYUNION { // ANYRESOCT: ANYRES64 (resource) // } // union ANYUNION { // ANYRES8: ANYRES8 (resource) // } // union ANYUNION { // ANYRES32: ANYRES32 (resource) // } // union ANYUNION { // ANYBLOB: buffer: {2f ec fb 2b 47 b9 91 81 06 3f 4e a9 a9 1a c6 f6 // 50 72 f0 15 2c 20 c3 9a c1 fa 3f 98 a9 bf 45 19 f1 dd d8 06 e4 6d // 4f 97 e3 a0 c0 6d 3b 22 43 32 dd 17 7d 91 e1 9d bd 12 71 89 34 e5 // c3 3d a1 90 f1 34 ef 5d e5 cd 25 67 8f 89 7b 10 6a 4b cc 49 56 a5 // b9 87 b8 b3 05 ce c5 64 93 d8 d5 26 a1 5b c1 35 9b 9c 7c 18 c1 c9 // cf 27 8f 26 2b 8d 7f ea 7e 86 30 be c9 74 d1 d4 4f 31 6f 6b e8 49 // 1f a5 fe ba fd e1 ae ce 65 25 2a e1 60 91 05 a7 97 49 c1 6f 8e f0 // 59 36 80 b0 ab 39 ae 08 bb} (length 0x9d) // } // union ANYUNION { // ANYRESDEC: ANYRES64 (resource) // } // union ANYUNION { // ANYRES8: ANYRES8 (resource) // } // union ANYUNION { // ANYRESDEC: ANYRES64 (resource) // } // union ANYUNION { // ANYRES64: ANYRES64 (resource) // } // union ANYUNION { // ANYRES8: ANYRES8 (resource) // } // } // } // chdir: int8 = 0xd (1 bytes) // size: len = 0xb6 (8 bytes) // img: ptr[in, buffer] { // buffer: (compressed buffer with length 0xb6) // } // ] // returns fd_dir NONFAILING(memcpy((void*)0x20000000, "bfs\000", 4)); NONFAILING(memcpy((void*)0x20000100, "./file0\000", 8)); NONFAILING(sprintf((char*)0x20001980, "%023llo", (long long)-1)); NONFAILING(*(uint16_t*)0x20001997 = -1); NONFAILING(*(uint16_t*)0x20001999 = -1); NONFAILING(*(uint16_t*)0x2000199b = -1); NONFAILING(sprintf((char*)0x2000199d, "%023llo", (long long)0)); NONFAILING(sprintf((char*)0x200019b4, "%023llo", (long long)-1)); NONFAILING(*(uint8_t*)0x200019cb = -1); NONFAILING(*(uint32_t*)0x200019cc = -1); NONFAILING(memcpy( (void*)0x200019d0, "\x2f\xec\xfb\x2b\x47\xb9\x91\x81\x06\x3f\x4e\xa9\xa9\x1a\xc6\xf6\x50\x72" "\xf0\x15\x2c\x20\xc3\x9a\xc1\xfa\x3f\x98\xa9\xbf\x45\x19\xf1\xdd\xd8\x06" "\xe4\x6d\x4f\x97\xe3\xa0\xc0\x6d\x3b\x22\x43\x32\xdd\x17\x7d\x91\xe1\x9d" "\xbd\x12\x71\x89\x34\xe5\xc3\x3d\xa1\x90\xf1\x34\xef\x5d\xe5\xcd\x25\x67" "\x8f\x89\x7b\x10\x6a\x4b\xcc\x49\x56\xa5\xb9\x87\xb8\xb3\x05\xce\xc5\x64" "\x93\xd8\xd5\x26\xa1\x5b\xc1\x35\x9b\x9c\x7c\x18\xc1\xc9\xcf\x27\x8f\x26" "\x2b\x8d\x7f\xea\x7e\x86\x30\xbe\xc9\x74\xd1\xd4\x4f\x31\x6f\x6b\xe8\x49" "\x1f\xa5\xfe\xba\xfd\xe1\xae\xce\x65\x25\x2a\xe1\x60\x91\x05\xa7\x97\x49" "\xc1\x6f\x8e\xf0\x59\x36\x80\xb0\xab\x39\xae\x08\xbb", 157)); NONFAILING(sprintf((char*)0x20001a6d, "%020llu", (long long)-1)); NONFAILING(*(uint8_t*)0x20001a81 = -1); NONFAILING(sprintf((char*)0x20001a82, "%020llu", (long long)-1)); NONFAILING(*(uint64_t*)0x20001a96 = -1); NONFAILING(*(uint8_t*)0x20001a9e = -1); NONFAILING(memcpy( (void*)0x200001c0, "\x78\x9c\xec\xd7\x31\x4a\xc4\x40\x18\x05\xe0\x97\x08\x31\xad\x8d\x08\x16" "\xda\xa6\xf1\x0e\x9e\xc5\xd2\x4a\xac\x14\x41\xbc\x81\x17\xf1\x2a\x1e\x21" "\xbd\x85\x45\x3a\x11\x75\x44\x93\x65\x09\xdb\xa5\xd8\x85\xe5\xfb\x8a\x81" "\x37\x8f\x9f\x99\xf6\x7f\xfd\x7c\x39\x7d\xee\x92\xf2\x98\x94\xee\xe4\xe6" "\xad\xac\xdd\xde\xdd\x5f\x3f\xe5\xef\x4c\x95\x99\x26\xec\x87\x3a\xc9\x61" "\x92\x36\xc9\xd9\xd1\x98\xdf\x2f\xc7\xae\x9a\xfa\x7e\x78\xb8\xea\x87\x83" "\xf3\x8d\xe1\xe6\xa3\x94\xb2\xf0\xe1\xef\xe5\xa3\x00\x00\xc0\x32\x75\x2e" "\xe6\xf9\xa7\x4c\x17\x5f\xd3\x16\xf8\x1f\x8e\x57\x7d\xbb\xe5\xff\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\xec\xda\x6f\x00\x00\x00\xff\xff\xac\xa4" "\x2e\xfa", 182)); NONFAILING(syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20000100, /*flags=MS_SILENT|MS_NOEXEC*/ 0x8008, /*opts=*/0x20001980, /*chdir=*/0xd, /*size=*/0xb6, /*img=*/0x200001c0)); // openat$cgroup_ro arguments: [ // fd: fd_cgroup (resource) // file: ptr[in, buffer] { // buffer: {6d 65 6d 6f 72 79 2e 65 76 65 6e 74 73 00} (length 0xe) // } // flags: const = 0x275a (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd NONFAILING(memcpy((void*)0x20000080, "memory.events\000", 14)); syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000080ul, /*flags=*/0x275a, /*mode=*/0); // openat arguments: [ // fd: fd_dir (resource) // file: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8) // } // flags: open_flags = 0x42 (4 bytes) // mode: open_mode = 0x0 (2 bytes) // ] // returns fd NONFAILING(memcpy((void*)0x20000040, "./file1\000", 8)); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul, /*flags=O_CREAT|O_RDWR*/ 0x42, /*mode=*/0); if (res != -1) r[0] = res; // write$UHID_INPUT arguments: [ // fd: fd_uhid (resource) // data: ptr[in, uhid_req[UHID_INPUT, uhid_input_req]] { // uhid_req[UHID_INPUT, uhid_input_req] { // type: const = 0x8 (4 bytes) // data: uhid_input_req { // data: buffer: {43 7f 7e c2 10 d2 6c 5c 65 cf 41 c4 b6 19 ff 70 9a // c9 0f be 7d 43 6e 34 e5 0b 64 ad 3f 45 74 bb ca 1c ea 79 26 33 79 // b9 fd d7 f2 af db 03 da e1 9b ff fa 25 bb 2b 1f bf fb 1d 07 6f c8 // f2 9c e1 fb 2b d0 29 46 66 48 54 b3 8a f6 7b ec f5 b4 ac bb 2d 36 // 01 ce 25 c0 f8 5a 35 50 bb dc 91 6d ea c2 71 60 f6 62 ef c4 81 a3 // 1f 1b b2 58 91 6d 87 9d 53 c0 9c ed 1e a7 48 51 b7 aa 2c 4e c8 eb // 4b 64 90 d8 69 27 51 ae bd 3a 41 67 5f 63 ae 85 b2 5f 76 98 de dc // 8c f5 5b 37 4a d4 0e c2 66 92 37 d6 d9 6c bf 4e e2 a3 f4 6e 3a 93 // a9 91 33 7e 25 c1 1f fc 95 38 ba b7 4b 83 60 f1 48 18 10 fc ca 20 // c8 aa 27 6a f0 ce 23 cf bf 7d 98 e8 ca b7 75 4f 0f 86 ed 05 88 a3 // 6d d8 62 28 72 88 5e f5 a8 e7 0f e2 74 2c 5b 89 2c 9c 42 ee 10 bb // 00 ec 59 f3 a1 92 a6 ee e5 fd 00 ac 80 f5 6c fb ae 02 72 02 6e 4f // ef d9 e6 e4 c4 4e 30 75 8c 8d 31 50 b2 5c c0 4d 3c d4 af 3a 3a 08 // 6f 34 ac d1 60 0e 58 57 a9 09 39 72 4c 96 71 7f 18 ef a4 49 02 b1 // ad f7 4f da d2 1b 41 98 4e 25 10 6b ab 7a 90 2d e9 51 aa c7 b3 d9 // d2 9d 9d b7 97 f4 d1 ac 8b 3e 87 05 5f 47 b0 b5 f4 12 20 d8 67 15 // 5e 93 06 4c 1f d4 fe 01 0d 9f a5 6a 14 92 33 aa 85 7e d6 76 43 14 // 9a c3 be 60 a6 66 92 80 7d f6 ad cf c9 9c ee 4a 49 51 ae 91 18 2a // 02 ec 1f 6e 95 cc 62 1b 7b 98 a5 f3 e8 c3 9c a1 04 4e 1c 07 b5 ce // 60 09 7d 37 d5 35 5e 36 9a 5c 3d f7 47 24 94 f9 0a 55 21 c9 c9 08 // 2d b0 e4 e1 52 bd 6f d5 09 fa a6 98 d8 04 0d 74 dd 4f bd 2e 20 1b // bf 13 5a 09 77 e9 1f 31 28 b7 eb 6f ae 9f 12 3d 67 e8 42 40 73 c0 // 95 ea e0 89 83 63 1a b0 82 0e ed 40 e9 84 45 58 af b1 38 d2 0e 66 // 4a ec 5b ed 90 02 72 0a 20 ea f5 36 82 1f 3c b9 a2 4f 23 31 36 94 // 1b 3b 00 43 19 f9 c0 e7 b9 81 8e 91 ed 97 b4 27 79 20 bb e0 96 da // df c3 eb d7 20 ab 66 12 68 7d e5 cd 48 17 20 d2 cf d5 d6 4b 5e 01 // 98 83 80 f3 e1 d8 60 8b 70 cf ac 85 f7 75 76 ba 44 e3 82 5a 87 dc // d6 76 ed b7 c6 e6 39 a7 d0 75 ea 50 e8 9e 7e 39 cc a2 82 06 84 21 // 57 82 21 51 77 ef 1a 2c cc 78 92 76 e6 e8 e4 bd 7e 50 0d d9 4f 1f // f6 e0 ea cb f2 91 41 5f fe 14 ea f2 da 60 64 6a 72 2c d1 b1 a9 aa // 38 ee 44 6e 0d da b1 d8 26 20 f3 8e 36 87 69 43 16 a7 69 ce 39 4f // 0b f1 55 8f 45 98 f3 aa 83 0d c4 aa 6d d6 03 84 f6 92 b6 72 48 02 // 01 25 67 f4 18 93 29 c0 6a 1d 74 65 84 71 d9 22 2d 9a 67 2d 36 2b // c5 aa 62 fc f6 06 7f d8 c6 ec 61 22 f4 c2 4d af 09 92 de 3d 1e 6c // d9 53 a5 c6 4b f0 c5 25 20 0c 83 be 66 10 58 76 e7 cc e2 fc 02 50 // 16 7d 2f 89 1e f7 20 f1 0a 3f 5a 96 81 3a 93 a5 88 45 ac 14 32 17 // 58 f6 71 ed d2 84 23 7f ad 2c 38 cb 63 e1 a4 e8 52 a9 4f b1 60 ad // 15 4d 0f 43 d8 30 2f a6 60 cc c9 73 7a 8e 83 c8 3b db 05 43 c2 f1 // ff 2f b5 44 01 32 d4 8a 9d da 71 91 af e2 c5 ba 7f 12 62 52 73 dd // 73 77 67 c4 d9 ef 56 36 de 49 78 5c 06 b5 c0 1f 8c 94 c3 1b c5 74 // 2b b0 89 7e fe 42 54 c0 f6 06 bc 5b 5a e7 24 c7 fe 2c 87 ea ce 8f // f1 1d 2f cb e7 7e 59 67 0e 9b 29 ec 7d a0 89 91 3a d0 2f 2c 8a 28 // 86 75 d5 1d a7 62 df 93 fb e2 b6 f8 48 df 78 4f 8f bd 15 c4 3a c1 // c6 f0 49 75 ee 19 83 2e 62 2c c9 bc a4 a4 2b f9 f6 a2 e1 c2 ac 7b // 75 a8 ef 0a 25 e9 1c ce 80 d7 9c aa 09 b2 57 e8 20 11 84 07 e5 01 // 68 87 f1 f7 37 55 77 7f 7d 73 3c 7a 26 f9 f2 9f 46 5b b8 c4 3d 70 // 5b f3 a2 f2 55 7a de 23 bb f6 5b 5a 95 ac f9 43 5c f5 41 e2 f5 00 // 6c 96 6d 2f f1 77 f6 0d a6 38 46 f9 91 4b a8 05 d2 5c fc c9 6b 8a // 34 39 3d 61 4a ba 89 10 67 15 25 91 09 92 98 7d 88 24 15 57 fd 8c // 98 8f 57 01 49 62 ef c7 95 57 8e 82 04 6d 1b 10 2f e3 2f e3 23 fd // 9c 71 09 25 5f 4b 9c 72 a2 37 01 c3 aa 4c 1e 30 77 2e dc e4 9b cf // cc ba f0 01 31 9f 0c 16 2c 97 a8 9d 58 f5 2a 56 79 f8 42 39 44 bf // 37 4e b0 79 2c 78 42 3f 95 e7 90 1f 59 de 05 3f 98 17 b1 23 6e c2 // 65 09 94 46 43 a7 bd 9e 65 c8 68 8e cd 7f 02 da 5b ef 74 8a 77 ed // 6f 35 16 31 46 a6 e6 cf 0c 09 d0 5c fa 7d d8 cd 4a c2 c9 ef 9f 18 // 55 63 9f 77 5b 93 fd 06 63 48 f6 cd 97 46 9c a4 80 d9 1c e3 e9 70 // 1c be 70 dd 8a c5 7f 2b cb 83 82 3e 29 1c ca 06 99 73 69 de 0a 07 // c7 42 da fb 72 e8 71 58 2e 3a 38 9b a2 6f 44 bc ed 8a 4e ed 52 4c // 19 e5 2d 7d e3 22 08 54 18 c5 c1 dc 42 61 6c 34 b2 01 8e 4e 05 18 // b9 be ee ca cc 45 66 eb 92 23 08 b5 32 f3 9d 5d 02 be cc 70 b9 fb // 68 1c 6b 57 ce d6 eb 99 24 9b 67 73 8c 0f 64 eb 0c 5d 1c a5 6a cf // 7e fa a0 7d e7 63 06 07 1e 77 cd 76 6d 22 b6 94 8e e0 48 54 a8 24 // 7a 9e ce 95 f4 88 59 0b c9 7f 6d 0c 76 76 c8 cb fb c1 2e 22 b4 b4 // 8b 78 c6 f8 68 70 89 24 15 78 cf 23 19 89 96 7e 04 ff 1b cb 1d 06 // 22 63 22 dc d9 e6 21 96 69 87 00 11 26 42 c6 52 82 6d 18 bf c5 b9 // aa ce b3 13 a5 35 ec a9 9d 6b 4c 56 38 43 d7 72 e2 66 fa 3d 18 6b // 5a 74 6b 0b d2 39 44 f6 00 d1 88 8a 0f ba 1d 4d 94 e6 f8 26 93 d8 // c6 51 29 51 78 89 0f 2c ad 19 7f 65 eb 86 43 87 85 62 8a 4b 8e 8d // 4c 59 00 da c1 41 aa e7 9d a3 a8 3e 6c 7c e2 af f7 b3 02 db a6 38 // b7 f4 f3 17 13 f2 6f 44 d8 f7 6e 65 23 f8 5e 46 76 d5 9d 17 2f 9d // 52 fa b4 36 6a c7 3c e2 0a 2e aa 67 3f a9 12 51 c9 07 df 45 0a a4 // 8d 35 f1 57 a5 ba 47 fb ba 9a 80 9b 45 42 ed 56 f6 b8 0d 24 84 b3 // cb 39 08 0b 71 23 59 da 0d ec 24 51 59 36 5d dd 91 5b f1 de f3 0a // 83 a1 66 33 57 0e 44 b1 2b 37 be de ee 42 57 a9 fa 74 f2 ac 99 28 // 19 11 ee 24 8c 42 97 04 1a bb 80 c3 95 61 1e c7 3b bb f6 63 19 1c // af 0e c5 8d 0c d6 27 87 11 88 42 32 82 9d aa c7 85 60 32 58 33 80 // 9f bb 0f 0d 91 b4 49 a6 2a 38 ba 20 69 72 76 79 97 b2 e9 ef d9 bc // 9a 54 d5 86 db 33 d0 f5 9d da b2 d7 10 42 a7 f5 ce fd b6 e9 c9 da // 7a d8 36 8d b3 18 6d 8f 99 37 58 06 da 9e f4 35 f8 32 71 94 a0 3c // 51 c6 eb ec db 22 7d 0c d0 08 8a 6e 11 af d8 c0 a5 da 91 c1 a4 81 // 6e d3 a7 de 40 90 8a 27 a5 fe 7c 6f 9d 26 4a 3f 2e e1 4b 66 dd d2 // 44 4b 3d c4 32 05 b5 02 28 2b 7e 6b 05 83 28 86 76 1f 9d 54 34 30 // 01 2e a3 70 53 76 e4 7a 60 1b e9 54 4e c0 2a dc 59 65 c1 a8 6e a3 // f2 09 1f 61 4d 7b e9 8a 7e aa 19 da c7 c1 78 b7 d9 45 60 00 c6 11 // c6 6f 94 20 d4 d7 2b 1e 26 34 18 13 13 38 65 33 d5 7f d5 95 a9 87 // 71 96 79 33 cb 35 9b e0 95 d2 8e b8 80 70 f4 71 2e 0e 5a c6 32 06 // 08 18 85 3d d5 5e e0 4b 29 a7 5f f3 3c 45 00 86 ce e6 01 e7 af 28 // 84 27 7c 6d ae 93 c1 1b db 7b 7f 7f 89 75 f3 92 de df 5e 2e cc a7 // 39 11 3b 12 70 97 44 3f de bb 60 7a dd 10 ae ea 23 11 9c c1 27 87 // e9 44 ef 05 d5 a0 83 67 9d e2 a8 7d ab 55 d2 9e 8a 91 63 0c e3 da // c1 14 01 44 74 7e b4 c5 9c a9 fa ea 41 3e 91 34 88 02 a7 e2 2b f0 // 17 c3 58 11 bc 07 12 a4 3b 6d 92 09 f2 fe 86 9f e9 aa ef ab 04 7a // 36 d8 d1 cc 1d 58 14 27 ee 86 93 6d 98 eb 5f 3e 3b 4b 34 69 19 3b // 91 97 95 66 24 22 d9 bf 38 3f 88 56 2f 8d 79 21 0d fa 65 c3 62 05 // 55 b0 11 86 d9 ba a2 c8 16 fa 54 36 48 19 c7 0e cb d8 a5 f9 80 fc // d9 a9 41 45 ec 05 2f f4 05 7d 54 ad ee 9a d4 ea 65 3f eb c4 c1 65 // 65 21 f6 45 c1 43 b0 bd c4 c8 4b 3b 59 8c cb 1e 35 3a 27 88 58 ec // 30 d3 98 f9 78 34 dc 1f 5d 0e ad a8 d1 1d 30 50 16 ff 99 cb 9b 8a // 9e 9f d9 6e b8 6c 18 fc 0d e7 5d 8f e2 63 94 d1 a2 cf 61 a7 ef f7 // e0 80 21 14 29 ee 3d a6 e0 91 4b 01 20 79 cd ca 26 4c 9f d8 59 96 // 62 17 e4 37 16 bc 0b 5d 03 2a f0 2e 1c f4 38 aa 73 35 ca a5 2b 08 // 48 6c c8 12 54 f3 6a 22 fb db f0 88 2e ee b2 72 8c 29 24 40 82 c5 // 11 53 62 1f f2 82 d3 1e 95 b7 78 1a 61 23 8d 7a 53 a8 80 22 71 52 // c7 d3 67 0b a0 52 a9 b0 51 4a 1c 8b 91 5b c2 22 b2 cd 21 db af 1d // 36 40 bf 52 1d 66 25 9c 2c 20 c7 ab 88 b7 ac e9 ad ca ba 63 62 35 // c5 12 15 4b 8d db 5e e7 38 47 80 5f 41 9f fb 0f 4c eb 58 f6 e6 c9 // c4 d2 27 e8 99 59 f8 5a 37 c6 45 b1 c2 2b 81 8e b5 f2 1d d1 43 19 // 22 51 7d dc 88 7e b9 26 d7 6b 6b e5 c6 5a d8 d7 d2 46 0e df d5 94 // 98 51 59 02 66 36 03 ef 47 b0 87 d3 17 05 8e ee 82 f6 ce 00 3d 81 // b8 4a 89 3a bd 4f 0e ce 0b cd 28 cd 29 7a 62 7f 8f b0 84 92 22 31 // 39 19 a5 65 bf c3 a7 f4 ef 60 47 48 11 aa 76 37 5d 5b 62 47 1a 60 // 0d ad ab 6a 90 da 5f c8 3c 41 81 e8 25 ef 5e d2 c6 b5 69 77 1f 46 // ae e5 dd 39 85 04 0c 2f 16 38 ad 8d bf 87 52 84 91 cf 60 8c 0f b1 // c6 c7 63 f3 a5 bf 16 59 16 a2 33 fb 18 5d 0b ef 5f d1 3a d0 d4 57 // 95 11 66 c9 6f 24 c6 51 ac 12 3a 11 48 77 a9 50 8b 44 4b 39 36 3c // 9f 0c f9 dc 1e 73 b5 4f 32 26 02 33 b3 d9 64 e4 c2 c1 e1 60 cb 70 // 17 23 9d 8f de cf c5 d2 2f d2 02 e7 da 06 aa 14 a1 01 c1 4b 13 25 // 99 54 66 59 1f 8d 02 ec c7 29 1e f9 26 4e ef 60 2c ad c5 35 25 dd // 48 f6 f9 8e 2a e9 2a 6e cc 6c b5 53 d9 b0 1d 50 6c f3 cd 58 56 fd // 98 13 97 a8 f0 a3 71 2c c4 12 fd 81 57 bf 56 8b f2 f4 c3 7f 0c b5 // e1 6c 44 6a 31 6d 1e 10 df cc ba 72 3d f7 cd 99 56 6b d2 61 93 50 // 45 17 44 b2 83 48 21 4b 7c 1d 0d eb 3f 12 00 1f 54 e5 88 cb 95 40 // 74 b7 b6 d8 ca 4b a1 ee 0a df 13 26 62 99 6d e9 3a db 65 76 3c 17 // 27 cb e5 4c f5 37 31 7f a0 f8 72 6d d0 f6 fb 56 0e fe 84 31 a6 e9 // b8 aa 0e 1f 41 35 96 54 80 d5 6e 35 25 b5 d8 a5 28 8f 6c 89 ac 1d // 95 00 2d 62 ec 90 dd 25 b1 60 93 fe 7d 44 5e f0 c8 ce 0f 4b f7 26 // 44 69 7f 41 34 ce a2 77 27 f7 b9 55 c0 50 a5 e8 65 d5 01 78 b8 28 // 09 f5 51 ab bd 18 03 5d 89 3e e5 53 73 81 8b 99 87 48 e2 0d 91 b6 // 04 55 13 de b5 1a 0a 3e a5 e1 c8 c8 97 26 3c 8e e5 84 c6 6c 09 d6 // e2 9b 9d cf f0 73 bd 9f 4f be 95 e8 1f 31 e0 64 0c ba ab f1 17 bc // 05 68 7b 8e d1 52 b0 78 86 c9 18 6b e1 f2 bd 91 7a 6c be 5e 03 2a // fb 39 dc fe 4f 90 7b 08 ca ba ee 46 c5 27 e3 31 7e e1 78 22 1e 83 // df 1e 36 7b ab 6f 68 ba 7f 9b d0 a6 a0 f7 7f 34 5b 6c a8 19 5a 76 // 3e 4e f9 97 0b ce 70 df 3c 9d 0d 2a 7b 48 1a 49 33 15 76 05 46 77 // d9 45 d1 17 10 09 59 4a 32 91 89 f9 f2 ec 9d 1e cb 92 5d cc 4c 3a // 04 d8 ce 00 36 3e 4d 0f 5d 35 ab ba e0 8e 88 8b 82 06 2e 75 5d 17 // a6 83 29 26 04 13 1f 28 e0 86 ab 4c a1 f9 7f 20 8e 3e 25 7d 04 31 // 83 01 72 52 09 cf 09 3c ce 1a 93 4f 94 26 aa 82 8b 70 24 3a f2 6d // a5 a5 38 d9 79 86 82 55 82 a7 b0 9a a2 41 7c 4e e1 b8 d1 19 1e fd // 91 26 d1 8a c5 60 4b 7e de 73 6c 70 f2 6b fe e1 97 0f 42 f2 83 89 // b9 39 26 47 d0 34 92 23 85 64 e1 22 90 7c e1 6d 32 4b a1 df 22 ad // c9 6f 89 fd e1 d2 5c 69 a7 1c 6b 71 27 86 85 24 68 bf e2 5c 39 cb // 44 1b 76 54 31 54 41 a3 00 50 a1 b1 cb 70 5f a9 54 a4 3d ce ba 13 // 18 bf c5 2d 46 23 43 c5 eb dd 99 a8 6e 66 b4 18 97 a8 89 b4 19 f5 // fa e6 19 59 e8 23 37 bf 85 a1 69 4a a1 45 c4 ce 13 9f 28 d2 93 82 // 20 9d 2d 82 ba 97 79 87 23 04 84 1e 74 54 c4 69 6e 67 86 37 99 48 // b4 cf 9c 0c c6 94 56 b2 6b a7 9e 27 14 a9 1c f0 f3 23 34 fa 26 b6 // fe 9b a0 22 51 b4 58 3f 2e c7 58 db b5 17 aa 92 7a 8f a3 c9 ca c0 // 5b 43 fd bf fe fc 0f b3 83 79 e4 bd 77 49 2a 63 da 64 ce cc 97 1e // 17 8d 0c ce 51 25 9d 59 17 0b cc 07 92 7d 87 c0 15 98 66 34 3e 9e // 05 bd a8 ee 09 91 23 2d 49 0a 1c 75 f0 a1 51 68 a1 77 df e2 1a 42 // 3a ee bb b1 ae cc 6f 2d fc 16 58 77 73 7d 0a 59 9e 1f a8 03 c4 73 // 41 6c 17 bd c4 1b 97 ab 18 26 c3 d3 64 65 35 bf 85 72 f5 be 48 41 // dc 74 6b af 90 ff d0 ea 7c d9 ba 81 24 26 3b db ab db eb 0e e8 4e // 7d 3e 7a 29 10 88 44 9e a1 46 93 2e 7d 3b 49 92 4e bd 69 a5 0f 54 // ae 45 fd c7 25 c8 67 42 5c fb cd 57 e3 4a 78 57 a4 a1 f7 a4 e6 14 // 48 7d e0 2e cf c5 42 fe 79 c0 52 23 2f cb be d4 8f 76 14 27 e9 f1 // 03 59 b7 33 d0 09 36 9f 22 cc 8f 45 3e c0 ff f4 15 f5 57 34 96 fa // 1d dc d4 50 59 44 c9 13 b5 73 2e a0 36 c1 cd 32 b0 ba 37 19 2f df // 63 0b 36 b8 4a 18 2c a5 98 77 be be a6 31 d2 8f bb da 37 c0 96 35 // b3 7a 38 1b 87 23 fd 26 2c 03 5c 58 36 3c 4a 08 4a 8e 48 54 9d b3 // e6 37 8e 56 ac e9 16 cb 34 8e 92 52 45 2a 6b 6e 70 28 15 25 52 c4 // 0f 10 ba 07 85 03 53 09 31 63 8a f5 28 0e 6a f2 2d 7f 48 6a 85 4e // d7 fd 22 82 06 68 6d 9c 49 68 64 18 c9 55 50 99 54 00 2a 77 a0 54 // 04 b5 a5 40 19 28 23 53 b1 66 e9 1b ee 48 1c 09 fe 22 f6 cd 10 33 // 80 c8 0f 1a 98 9f 41 d4 b1 01 af 5e 1d 35 a4 09 c3 f6 60 3d d6 a7 // cd ec 76 4d 1c 67 5c ca 07 4f 57 98 27 a2 af 16 29 67 a6 de ad 5b // ae b6 03 40 29 68 87 a6 63 f1 37 80 51 df 02 8e 89 2c 30 5f 7a 69 // ae 59 79 34 1d d9 11 19 5f e9 5d 03 dc 99 34 cc fc 5a 92 ae 8c d6 // e8 2a 46 b7 fc 99 4b 52 b0 e6 b6 f1 fe 15 24 ac f3 54 20 d0 e8 3e // 11 a1 a6 e0 65 b7 dd eb 9f 5a aa 8f 64 72 03 8f 40 fb 96 72 65 22 // 9e 66 da 1f 20 ec 31 c7 88 ed bf 4f ae 44 fe 45 fe 81 9a f6 7e 2c // d2 3c d9 5c 1f fc 8f aa d4 db 4c cc 83 a7 c0 2b a8 e7 9b d5 df 59 // 41 ce 26 be e2 0c be 0b 1b 6d 6f 27 9e 61 b9 b3 d7 fa 22 e8 05 b0 // d1 09 96 85 d2 32 16 45 e7 44 0b e0 be 84 9f f4 2b 82 17 e2 34 57 // d6 c3 ce e3 96 f3 fc ff de 7a c6 ed 42 61 ab 6b 5b 47 65 73 cb 4c // cf 34 56 cb 49 54 db 7b b8 d2 82 3c 5e 30 b5 2f 21 03 8c 86 75 06 // 54 e9 10 90 a0 7d 8d 25 cb e6 fc 4d b9 9e 5d e9 c2 bb 92 d3 8b 66 // 3f c1 7e b4 97 b1 a5 78 1f ac ce 90 90 56 56 17 7c b5 1c c7 c6 23 // b8 07 8d 9d e4 b1 37 4b 7b 56 b9 c7 b4 6a d4 9e 63 28 0d ce 2c 6a // 06 c5 62 ee 92 65 1f 00 dc a3 18 c1 75 fa 4e 7d c8 ef e9 2d ed 59 // 72 ef 4d 20 80 ce 8a 37 b1 d3 38 2f 06 79 d8 c5 7c c0 6e fb 8f a0 // 5b b8 db 70 8f 6a 63 36 fc 7b 47 b6 35 14 fc db b3 c5 22 12 d2 c0 // 6d d0 e6 24 45 0e c9 09 c3 96 0b c1 33 69 69 12 f6 57 b3 02 4d 27 // 05 51 68 2d 4c 59 cb 0e a2 e7 63 c3 4d 23 56 46 dd a5 e4 83 6b a5 // 74 4f 70 e6 a8 9a ca f5 4f 98 02 bd b9 ff e9 92 5b 74 b1 39 3a 54 // d4 e7 53 0e bc ef 1b b6 6b} (length 0x1000) size: len = 0x1000 (2 // bytes) // } // } // } // len: len = 0x1006 (8 bytes) // ] NONFAILING(*(uint32_t*)0x20002280 = 8); NONFAILING(memcpy( (void*)0x20002284, "\x43\x7f\x7e\xc2\x10\xd2\x6c\x5c\x65\xcf\x41\xc4\xb6\x19\xff\x70\x9a\xc9" "\x0f\xbe\x7d\x43\x6e\x34\xe5\x0b\x64\xad\x3f\x45\x74\xbb\xca\x1c\xea\x79" "\x26\x33\x79\xb9\xfd\xd7\xf2\xaf\xdb\x03\xda\xe1\x9b\xff\xfa\x25\xbb\x2b" "\x1f\xbf\xfb\x1d\x07\x6f\xc8\xf2\x9c\xe1\xfb\x2b\xd0\x29\x46\x66\x48\x54" "\xb3\x8a\xf6\x7b\xec\xf5\xb4\xac\xbb\x2d\x36\x01\xce\x25\xc0\xf8\x5a\x35" "\x50\xbb\xdc\x91\x6d\xea\xc2\x71\x60\xf6\x62\xef\xc4\x81\xa3\x1f\x1b\xb2" "\x58\x91\x6d\x87\x9d\x53\xc0\x9c\xed\x1e\xa7\x48\x51\xb7\xaa\x2c\x4e\xc8" "\xeb\x4b\x64\x90\xd8\x69\x27\x51\xae\xbd\x3a\x41\x67\x5f\x63\xae\x85\xb2" "\x5f\x76\x98\xde\xdc\x8c\xf5\x5b\x37\x4a\xd4\x0e\xc2\x66\x92\x37\xd6\xd9" "\x6c\xbf\x4e\xe2\xa3\xf4\x6e\x3a\x93\xa9\x91\x33\x7e\x25\xc1\x1f\xfc\x95" "\x38\xba\xb7\x4b\x83\x60\xf1\x48\x18\x10\xfc\xca\x20\xc8\xaa\x27\x6a\xf0" "\xce\x23\xcf\xbf\x7d\x98\xe8\xca\xb7\x75\x4f\x0f\x86\xed\x05\x88\xa3\x6d" "\xd8\x62\x28\x72\x88\x5e\xf5\xa8\xe7\x0f\xe2\x74\x2c\x5b\x89\x2c\x9c\x42" 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"\xce\x51\x25\x9d\x59\x17\x0b\xcc\x07\x92\x7d\x87\xc0\x15\x98\x66\x34\x3e" "\x9e\x05\xbd\xa8\xee\x09\x91\x23\x2d\x49\x0a\x1c\x75\xf0\xa1\x51\x68\xa1" "\x77\xdf\xe2\x1a\x42\x3a\xee\xbb\xb1\xae\xcc\x6f\x2d\xfc\x16\x58\x77\x73" "\x7d\x0a\x59\x9e\x1f\xa8\x03\xc4\x73\x41\x6c\x17\xbd\xc4\x1b\x97\xab\x18" "\x26\xc3\xd3\x64\x65\x35\xbf\x85\x72\xf5\xbe\x48\x41\xdc\x74\x6b\xaf\x90" "\xff\xd0\xea\x7c\xd9\xba\x81\x24\x26\x3b\xdb\xab\xdb\xeb\x0e\xe8\x4e\x7d" "\x3e\x7a\x29\x10\x88\x44\x9e\xa1\x46\x93\x2e\x7d\x3b\x49\x92\x4e\xbd\x69" "\xa5\x0f\x54\xae\x45\xfd\xc7\x25\xc8\x67\x42\x5c\xfb\xcd\x57\xe3\x4a\x78" "\x57\xa4\xa1\xf7\xa4\xe6\x14\x48\x7d\xe0\x2e\xcf\xc5\x42\xfe\x79\xc0\x52" "\x23\x2f\xcb\xbe\xd4\x8f\x76\x14\x27\xe9\xf1\x03\x59\xb7\x33\xd0\x09\x36" "\x9f\x22\xcc\x8f\x45\x3e\xc0\xff\xf4\x15\xf5\x57\x34\x96\xfa\x1d\xdc\xd4" "\x50\x59\x44\xc9\x13\xb5\x73\x2e\xa0\x36\xc1\xcd\x32\xb0\xba\x37\x19\x2f" "\xdf\x63\x0b\x36\xb8\x4a\x18\x2c\xa5\x98\x77\xbe\xbe\xa6\x31\xd2\x8f\xbb" "\xda\x37\xc0\x96\x35\xb3\x7a\x38\x1b\x87\x23\xfd\x26\x2c\x03\x5c\x58\x36" "\x3c\x4a\x08\x4a\x8e\x48\x54\x9d\xb3\xe6\x37\x8e\x56\xac\xe9\x16\xcb\x34" "\x8e\x92\x52\x45\x2a\x6b\x6e\x70\x28\x15\x25\x52\xc4\x0f\x10\xba\x07\x85" "\x03\x53\x09\x31\x63\x8a\xf5\x28\x0e\x6a\xf2\x2d\x7f\x48\x6a\x85\x4e\xd7" "\xfd\x22\x82\x06\x68\x6d\x9c\x49\x68\x64\x18\xc9\x55\x50\x99\x54\x00\x2a" "\x77\xa0\x54\x04\xb5\xa5\x40\x19\x28\x23\x53\xb1\x66\xe9\x1b\xee\x48\x1c" "\x09\xfe\x22\xf6\xcd\x10\x33\x80\xc8\x0f\x1a\x98\x9f\x41\xd4\xb1\x01\xaf" "\x5e\x1d\x35\xa4\x09\xc3\xf6\x60\x3d\xd6\xa7\xcd\xec\x76\x4d\x1c\x67\x5c" "\xca\x07\x4f\x57\x98\x27\xa2\xaf\x16\x29\x67\xa6\xde\xad\x5b\xae\xb6\x03" "\x40\x29\x68\x87\xa6\x63\xf1\x37\x80\x51\xdf\x02\x8e\x89\x2c\x30\x5f\x7a" "\x69\xae\x59\x79\x34\x1d\xd9\x11\x19\x5f\xe9\x5d\x03\xdc\x99\x34\xcc\xfc" "\x5a\x92\xae\x8c\xd6\xe8\x2a\x46\xb7\xfc\x99\x4b\x52\xb0\xe6\xb6\xf1\xfe" "\x15\x24\xac\xf3\x54\x20\xd0\xe8\x3e\x11\xa1\xa6\xe0\x65\xb7\xdd\xeb\x9f" "\x5a\xaa\x8f\x64\x72\x03\x8f\x40\xfb\x96\x72\x65\x22\x9e\x66\xda\x1f\x20" "\xec\x31\xc7\x88\xed\xbf\x4f\xae\x44\xfe\x45\xfe\x81\x9a\xf6\x7e\x2c\xd2" "\x3c\xd9\x5c\x1f\xfc\x8f\xaa\xd4\xdb\x4c\xcc\x83\xa7\xc0\x2b\xa8\xe7\x9b" "\xd5\xdf\x59\x41\xce\x26\xbe\xe2\x0c\xbe\x0b\x1b\x6d\x6f\x27\x9e\x61\xb9" "\xb3\xd7\xfa\x22\xe8\x05\xb0\xd1\x09\x96\x85\xd2\x32\x16\x45\xe7\x44\x0b" "\xe0\xbe\x84\x9f\xf4\x2b\x82\x17\xe2\x34\x57\xd6\xc3\xce\xe3\x96\xf3\xfc" "\xff\xde\x7a\xc6\xed\x42\x61\xab\x6b\x5b\x47\x65\x73\xcb\x4c\xcf\x34\x56" "\xcb\x49\x54\xdb\x7b\xb8\xd2\x82\x3c\x5e\x30\xb5\x2f\x21\x03\x8c\x86\x75" "\x06\x54\xe9\x10\x90\xa0\x7d\x8d\x25\xcb\xe6\xfc\x4d\xb9\x9e\x5d\xe9\xc2" "\xbb\x92\xd3\x8b\x66\x3f\xc1\x7e\xb4\x97\xb1\xa5\x78\x1f\xac\xce\x90\x90" "\x56\x56\x17\x7c\xb5\x1c\xc7\xc6\x23\xb8\x07\x8d\x9d\xe4\xb1\x37\x4b\x7b" "\x56\xb9\xc7\xb4\x6a\xd4\x9e\x63\x28\x0d\xce\x2c\x6a\x06\xc5\x62\xee\x92" "\x65\x1f\x00\xdc\xa3\x18\xc1\x75\xfa\x4e\x7d\xc8\xef\xe9\x2d\xed\x59\x72" "\xef\x4d\x20\x80\xce\x8a\x37\xb1\xd3\x38\x2f\x06\x79\xd8\xc5\x7c\xc0\x6e" "\xfb\x8f\xa0\x5b\xb8\xdb\x70\x8f\x6a\x63\x36\xfc\x7b\x47\xb6\x35\x14\xfc" "\xdb\xb3\xc5\x22\x12\xd2\xc0\x6d\xd0\xe6\x24\x45\x0e\xc9\x09\xc3\x96\x0b" "\xc1\x33\x69\x69\x12\xf6\x57\xb3\x02\x4d\x27\x05\x51\x68\x2d\x4c\x59\xcb" "\x0e\xa2\xe7\x63\xc3\x4d\x23\x56\x46\xdd\xa5\xe4\x83\x6b\xa5\x74\x4f\x70" "\xe6\xa8\x9a\xca\xf5\x4f\x98\x02\xbd\xb9\xff\xe9\x92\x5b\x74\xb1\x39\x3a" "\x54\xd4\xe7\x53\x0e\xbc\xef\x1b\xb6\x6b", 4096)); NONFAILING(*(uint16_t*)0x20003284 = 0x1000); syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20002280ul, /*len=*/0x1006ul); // openat$cgroup_ro arguments: [ // fd: fd_cgroup (resource) // file: ptr[in, buffer] { // buffer: {6d 65 6d 6f 72 79 2e 65 76 65 6e 74 73 00} (length 0xe) // } // flags: const = 0x100002 (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd NONFAILING(memcpy((void*)0x20000580, "memory.events\000", 14)); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000580ul, /*flags=*/0x100002, /*mode=*/0); if (res != -1) r[1] = res; // openat$incfs arguments: [ // fd: fd_dir (resource) // file: ptr[in, buffer] { // buffer: {2e 70 65 6e 64 69 6e 67 5f 72 65 61 64 73 00} (length 0xf) // } // flags: open_flags = 0x1a10c1 (4 bytes) // mode: open_mode = 0x0 (2 bytes) // ] // returns fd NONFAILING(memcpy((void*)0x20000140, ".pending_reads\000", 15)); res = syscall( __NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000140ul, /*flags=O_SYNC|O_LARGEFILE|O_EXCL|O_CREAT|O_CLOEXEC|0x1*/ 0x1a10c1, /*mode=*/0); if (res != -1) r[2] = res; // write$FUSE_INIT arguments: [ // fd: fd_fuse (resource) // arg: ptr[in, fuse_out_t[fuse_unique, fuse_init_out]] { // fuse_out_t[fuse_unique, fuse_init_out] { // len: len = 0x50 (4 bytes) // err: fuse_errors = 0x0 (4 bytes) // unique: fuse_unique (resource) // payload: fuse_init_out { // major: const = 0x7 (4 bytes) // minor: const = 0x28 (4 bytes) // max_readahead: int32 = 0x1 (4 bytes) // flags: fuse_init_flags = 0x1000001 (4 bytes) // max_background: int16 = 0x2 (2 bytes) // congestion_threshold: int16 = 0x4 (2 bytes) // max_write: int32 = 0x9 (4 bytes) // time_gran: int32 = 0x7f (4 bytes) // max_pages: const = 0x0 (2 bytes) // map_alignment: const = 0x0 (2 bytes) // flags2: fuse_init_flags2 = 0x0 (4 bytes) // max_stack_depth: int32 = 0x0 (4 bytes) // unused: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00} (length 0x18) // } // } // } // len: bytesize = 0x50 (8 bytes) // ] NONFAILING(*(uint32_t*)0x20000300 = 0x50); NONFAILING(*(uint32_t*)0x20000304 = 0); NONFAILING(*(uint64_t*)0x20000308 = 0); NONFAILING(*(uint32_t*)0x20000310 = 7); NONFAILING(*(uint32_t*)0x20000314 = 0x28); NONFAILING(*(uint32_t*)0x20000318 = 1); NONFAILING(*(uint32_t*)0x2000031c = 0x1000001); NONFAILING(*(uint16_t*)0x20000320 = 2); NONFAILING(*(uint16_t*)0x20000322 = 4); NONFAILING(*(uint32_t*)0x20000324 = 9); NONFAILING(*(uint32_t*)0x20000328 = 0x7f); NONFAILING(*(uint16_t*)0x2000032c = 0); NONFAILING(*(uint16_t*)0x2000032e = 0); NONFAILING(*(uint32_t*)0x20000330 = 0); NONFAILING(*(uint32_t*)0x20000334 = 0); NONFAILING(memset((void*)0x20000338, 0, 24)); syscall(__NR_write, /*fd=*/r[1], /*arg=*/0x20000300ul, /*len=*/0x50ul); // write$FUSE_DIRENTPLUS arguments: [ // fd: fd_fuse (resource) // arg: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // } // } // len: bytesize = 0x10 (8 bytes) // ] syscall(__NR_write, /*fd=*/r[2], /*arg=*/0x20000200ul, /*len=*/0x10ul); // write$cgroup_type arguments: [ // fd: fd_cgroup_type (resource) // buf: ptr[in, buffer] { // buffer: {74 68 72 65 61 64 65 64 00} (length 0x9) // } // len: bytesize = 0x40001 (8 bytes) // ] NONFAILING(memcpy((void*)0x20000180, "threaded\000", 9)); syscall(__NR_write, /*fd=*/r[1], /*buf=*/0x20000180ul, /*len=*/0x40001ul); return 0; }