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Arguments for malloc and calloc should be size_t, not int.

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Use proper bounds check when trying to free cached memory.

Spotted by: Xin Li
Tested by:  Dmitry Sivachenko
MFC after:  2 weeks
This commit is contained in:
Kirk McKusick 2014-02-25 18:25:27 +00:00
parent 4477cac768
commit eff68496e2
2 changed files with 5 additions and 3 deletions
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4
sbin/fsck_ffs/fsck.h
View file

@ -369,7 +369,7 @@ int flushentry(void);
* to get space.
*/
static inline void*
Malloc(int size)
Malloc(size_t size)
{
void *retval;
@ -384,7 +384,7 @@ Malloc(int size)
* to get space.
*/
static inline void*
Calloc(int cnt, int size)
Calloc(size_t cnt, size_t size)
{
void *retval;

4
sbin/fsck_ffs/fsutil.c
View file

@ -225,7 +225,7 @@ cgget(int cg)
struct cg *cgp;
if (cgbufs == NULL) {
cgbufs = Calloc(sblock.fs_ncg, sizeof(struct bufarea));
cgbufs = calloc(sblock.fs_ncg, sizeof(struct bufarea));
if (cgbufs == NULL)
errx(EEXIT, "cannot allocate cylinder group buffers");
}
@ -254,6 +254,8 @@ flushentry(void)
{
struct bufarea *cgbp;
if (flushtries == sblock.fs_ncg || cgbufs == NULL)
return (0);
cgbp = &cgbufs[flushtries++];
if (cgbp->b_un.b_cg == NULL)
return (0);