--- spice-0.14.91/server/stat-file.c 2020-10-26 12:18:53.000000000 +0000 +++ spice-0.14.91-fix/server/stat-file.c 2021-07-04 16:16:07.377308048 +0000 @@ -34,6 +34,65 @@ #define STAT_SHM_SIZE(max_nodes) \ (sizeof(SpiceStat) + (max_nodes) * sizeof(SpiceStatNode)) +static int shm_unlink(const char *name) { + size_t namelen; + char *fname; + + /* Construct the filename. */ + while (name[0] == '/') ++name; + + if (name[0] == '\0') { + /* The name "/" is not supported. */ + errno = EINVAL; + return -1; + } + + namelen = strlen(name); + fname = (char *) alloca(sizeof("@TERMUX_PREFIX@/tmp/") - 1 + namelen + 1); + memcpy(fname, "@TERMUX_PREFIX@/tmp/", sizeof("@TERMUX_PREFIX@/tmp/") - 1); + memcpy(fname + sizeof("@TERMUX_PREFIX@/tmp/") - 1, name, namelen + 1); + + return unlink(fname); +} + +static int shm_open(const char *name, int oflag, mode_t mode) { + size_t namelen; + char *fname; + int fd; + + /* Construct the filename. */ + while (name[0] == '/') ++name; + + if (name[0] == '\0') { + /* The name "/" is not supported. */ + errno = EINVAL; + return -1; + } + + namelen = strlen(name); + fname = (char *) alloca(sizeof("@TERMUX_PREFIX@/tmp/") - 1 + namelen + 1); + memcpy(fname, "@TERMUX_PREFIX@/tmp/", sizeof("@TERMUX_PREFIX@/tmp/") - 1); + memcpy(fname + sizeof("@TERMUX_PREFIX@/tmp/") - 1, name, namelen + 1); + + fd = open(fname, oflag, mode); + if (fd != -1) { + /* We got a descriptor. Now set the FD_CLOEXEC bit. */ + int flags = fcntl(fd, F_GETFD, 0); + flags |= FD_CLOEXEC; + flags = fcntl(fd, F_SETFD, flags); + + if (flags == -1) { + /* Something went wrong. We cannot return the descriptor. */ + int save_errno = errno; + close(fd); + fd = -1; + errno = save_errno; + } + } + + return fd; +} + struct RedStatFile { char *shm_name; SpiceStat *stat;