From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001 From: RajithaY Date: Tue, 25 Apr 2017 03:31:15 -0700 Subject: Adding qemu as a submodule of KVMFORNFV This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY --- qemu/scripts/coverity-model.c | 369 ------------------------------------------ 1 file changed, 369 deletions(-) delete mode 100644 qemu/scripts/coverity-model.c (limited to 'qemu/scripts/coverity-model.c') diff --git a/qemu/scripts/coverity-model.c b/qemu/scripts/coverity-model.c deleted file mode 100644 index ee5bf9d07..000000000 --- a/qemu/scripts/coverity-model.c +++ /dev/null @@ -1,369 +0,0 @@ -/* Coverity Scan model - * - * Copyright (C) 2014 Red Hat, Inc. - * - * Authors: - * Markus Armbruster - * Paolo Bonzini - * - * This work is licensed under the terms of the GNU GPL, version 2 or, at your - * option, any later version. See the COPYING file in the top-level directory. - */ - - -/* - * This is the source code for our Coverity user model file. The - * purpose of user models is to increase scanning accuracy by explaining - * code Coverity can't see (out of tree libraries) or doesn't - * sufficiently understand. Better accuracy means both fewer false - * positives and more true defects. Memory leaks in particular. - * - * - A model file can't import any header files. Some built-in primitives are - * available but not wchar_t, NULL etc. - * - Modeling doesn't need full structs and typedefs. Rudimentary structs - * and similar types are sufficient. - * - An uninitialized local variable signifies that the variable could be - * any value. - * - * The model file must be uploaded by an admin in the analysis settings of - * http://scan.coverity.com/projects/378 - */ - -#define NULL ((void *)0) - -typedef unsigned char uint8_t; -typedef char int8_t; -typedef unsigned int uint32_t; -typedef int int32_t; -typedef long ssize_t; -typedef unsigned long long uint64_t; -typedef long long int64_t; -typedef _Bool bool; - -typedef struct va_list_str *va_list; - -/* exec.c */ - -typedef struct AddressSpace AddressSpace; -typedef uint64_t hwaddr; -typedef uint32_t MemTxResult; -typedef uint64_t MemTxAttrs; - -static void __bufwrite(uint8_t *buf, ssize_t len) -{ - int first, last; - __coverity_negative_sink__(len); - if (len == 0) return; - buf[0] = first; - buf[len-1] = last; - __coverity_writeall__(buf); -} - -static void __bufread(uint8_t *buf, ssize_t len) -{ - __coverity_negative_sink__(len); - if (len == 0) return; - int first = buf[0]; - int last = buf[len-1]; -} - -MemTxResult address_space_rw(AddressSpace *as, hwaddr addr, MemTxAttrs attrs, - uint8_t *buf, int len, bool is_write) -{ - MemTxResult result; - - // TODO: investigate impact of treating reads as producing - // tainted data, with __coverity_tainted_data_argument__(buf). - if (is_write) __bufread(buf, len); else __bufwrite(buf, len); - - return result; -} - -/* Tainting */ - -typedef struct {} name2keysym_t; -static int get_keysym(const name2keysym_t *table, - const char *name) -{ - int result; - if (result > 0) { - __coverity_tainted_string_sanitize_content__(name); - return result; - } else { - return 0; - } -} - -/* - * GLib memory allocation functions. - * - * Note that we ignore the fact that g_malloc of 0 bytes returns NULL, - * and g_realloc of 0 bytes frees the pointer. - * - * Modeling this would result in Coverity flagging a lot of memory - * allocations as potentially returning NULL, and asking us to check - * whether the result of the allocation is NULL or not. However, the - * resulting pointer should never be dereferenced anyway, and in fact - * it is not in the vast majority of cases. - * - * If a dereference did happen, this would suppress a defect report - * for an actual null pointer dereference. But it's too unlikely to - * be worth wading through the false positives, and with some luck - * we'll get a buffer overflow reported anyway. - */ - -/* - * Allocation primitives, cannot return NULL - * See also Coverity's library/generic/libc/all/all.c - */ - -void *g_malloc_n(size_t nmemb, size_t size) -{ - size_t sz; - void *ptr; - - __coverity_negative_sink__(nmemb); - __coverity_negative_sink__(size); - sz = nmemb * size; - ptr = __coverity_alloc__(sz); - __coverity_mark_as_uninitialized_buffer__(ptr); - __coverity_mark_as_afm_allocated__(ptr, "g_free"); - return ptr; -} - -void *g_malloc0_n(size_t nmemb, size_t size) -{ - size_t sz; - void *ptr; - - __coverity_negative_sink__(nmemb); - __coverity_negative_sink__(size); - sz = nmemb * size; - ptr = __coverity_alloc__(sz); - __coverity_writeall0__(ptr); - __coverity_mark_as_afm_allocated__(ptr, "g_free"); - return ptr; -} - -void *g_realloc_n(void *ptr, size_t nmemb, size_t size) -{ - size_t sz; - - __coverity_negative_sink__(nmemb); - __coverity_negative_sink__(size); - sz = nmemb * size; - __coverity_escape__(ptr); - ptr = __coverity_alloc__(sz); - /* - * Memory beyond the old size isn't actually initialized. Can't - * model that. See Coverity's realloc() model - */ - __coverity_writeall__(ptr); - __coverity_mark_as_afm_allocated__(ptr, "g_free"); - return ptr; -} - -void g_free(void *ptr) -{ - __coverity_free__(ptr); - __coverity_mark_as_afm_freed__(ptr, "g_free"); -} - -/* - * Derive the g_try_FOO_n() from the g_FOO_n() by adding indeterminate - * out of memory conditions - */ - -void *g_try_malloc_n(size_t nmemb, size_t size) -{ - int nomem; - - if (nomem) { - return NULL; - } - return g_malloc_n(nmemb, size); -} - -void *g_try_malloc0_n(size_t nmemb, size_t size) -{ - int nomem; - - if (nomem) { - return NULL; - } - return g_malloc0_n(nmemb, size); -} - -void *g_try_realloc_n(void *ptr, size_t nmemb, size_t size) -{ - int nomem; - - if (nomem) { - return NULL; - } - return g_realloc_n(ptr, nmemb, size); -} - -/* Trivially derive the g_FOO() from the g_FOO_n() */ - -void *g_malloc(size_t size) -{ - return g_malloc_n(1, size); -} - -void *g_malloc0(size_t size) -{ - return g_malloc0_n(1, size); -} - -void *g_realloc(void *ptr, size_t size) -{ - return g_realloc_n(ptr, 1, size); -} - -void *g_try_malloc(size_t size) -{ - return g_try_malloc_n(1, size); -} - -void *g_try_malloc0(size_t size) -{ - return g_try_malloc0_n(1, size); -} - -void *g_try_realloc(void *ptr, size_t size) -{ - return g_try_realloc_n(ptr, 1, size); -} - -/* Other memory allocation functions */ - -void *g_memdup(const void *ptr, unsigned size) -{ - unsigned char *dup; - unsigned i; - - if (!ptr) { - return NULL; - } - - dup = g_malloc(size); - for (i = 0; i < size; i++) - dup[i] = ((unsigned char *)ptr)[i]; - return dup; -} - -/* - * GLib string allocation functions - */ - -char *g_strdup(const char *s) -{ - char *dup; - size_t i; - - if (!s) { - return NULL; - } - - __coverity_string_null_sink__(s); - __coverity_string_size_sink__(s); - dup = __coverity_alloc_nosize__(); - __coverity_mark_as_afm_allocated__(dup, "g_free"); - for (i = 0; (dup[i] = s[i]); i++) ; - return dup; -} - -char *g_strndup(const char *s, size_t n) -{ - char *dup; - size_t i; - - __coverity_negative_sink__(n); - - if (!s) { - return NULL; - } - - dup = g_malloc(n + 1); - for (i = 0; i < n && (dup[i] = s[i]); i++) ; - dup[i] = 0; - return dup; -} - -char *g_strdup_printf(const char *format, ...) -{ - char ch, *s; - size_t len; - - __coverity_string_null_sink__(format); - __coverity_string_size_sink__(format); - - ch = *format; - - s = __coverity_alloc_nosize__(); - __coverity_writeall__(s); - __coverity_mark_as_afm_allocated__(s, "g_free"); - return s; -} - -char *g_strdup_vprintf(const char *format, va_list ap) -{ - char ch, *s; - size_t len; - - __coverity_string_null_sink__(format); - __coverity_string_size_sink__(format); - - ch = *format; - ch = *(char *)ap; - - s = __coverity_alloc_nosize__(); - __coverity_writeall__(s); - __coverity_mark_as_afm_allocated__(s, "g_free"); - - return len; -} - -char *g_strconcat(const char *s, ...) -{ - char *s; - - /* - * Can't model: last argument must be null, the others - * null-terminated strings - */ - - s = __coverity_alloc_nosize__(); - __coverity_writeall__(s); - __coverity_mark_as_afm_allocated__(s, "g_free"); - return s; -} - -/* Other glib functions */ - -typedef struct pollfd GPollFD; - -int poll(); - -int g_poll (GPollFD *fds, unsigned nfds, int timeout) -{ - return poll(fds, nfds, timeout); -} - -typedef struct _GIOChannel GIOChannel; -GIOChannel *g_io_channel_unix_new(int fd) -{ - GIOChannel *c = g_malloc0(sizeof(GIOChannel)); - __coverity_escape__(fd); - return c; -} - -void g_assertion_message_expr(const char *domain, - const char *file, - int line, - const char *func, - const char *expr) -{ - __coverity_panic__(); -} -- cgit 1.2.3-korg