From: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
Markus Armbruster <armbru@redhat.com>
Subject: [Qemu-devel] [PATCH] coverity: Fix g_malloc_n-like models
Date: Thu, 12 Mar 2015 12:24:26 +0100 [thread overview]
Message-ID: <5501776A.20202@siemens.com> (raw)
Allocate the calculated overall size, not only the size of a single
element.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
scripts/coverity-model.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/scripts/coverity-model.c b/scripts/coverity-model.c
index 58356af..cdda259 100644
--- a/scripts/coverity-model.c
+++ b/scripts/coverity-model.c
@@ -123,7 +123,7 @@ void *g_malloc_n(size_t nmemb, size_t size)
__coverity_negative_sink__(nmemb);
__coverity_negative_sink__(size);
sz = nmemb * size;
- ptr = __coverity_alloc__(size);
+ ptr = __coverity_alloc__(sz);
__coverity_mark_as_uninitialized_buffer__(ptr);
__coverity_mark_as_afm_allocated__(ptr, "g_free");
return ptr;
@@ -137,7 +137,7 @@ void *g_malloc0_n(size_t nmemb, size_t size)
__coverity_negative_sink__(nmemb);
__coverity_negative_sink__(size);
sz = nmemb * size;
- ptr = __coverity_alloc__(size);
+ ptr = __coverity_alloc__(sz);
__coverity_writeall0__(ptr);
__coverity_mark_as_afm_allocated__(ptr, "g_free");
return ptr;
@@ -151,7 +151,7 @@ void *g_realloc_n(void *ptr, size_t nmemb, size_t size)
__coverity_negative_sink__(size);
sz = nmemb * size;
__coverity_escape__(ptr);
- ptr = __coverity_alloc__(size);
+ ptr = __coverity_alloc__(sz);
/*
* Memory beyond the old size isn't actually initialized. Can't
* model that. See Coverity's realloc() model
--
2.1.4
next reply other threads:[~2015-03-12 11:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-12 11:24 Jan Kiszka [this message]
2015-03-17 8:34 ` [Qemu-devel] [PATCH] coverity: Fix g_malloc_n-like models Markus Armbruster
2015-03-17 8:48 ` Paolo Bonzini
2015-03-17 10:27 ` Markus Armbruster
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