Fix coverity defects: zfs channel programs

CID 173243, 173245:  Memory - corruptions  (OVERRUN)
 Added size argument to lcompat_sprintf() to avoid use of INT_MAX

CID 173244:  Integer handling issues  (OVERFLOW_BEFORE_WIDEN)
 Added cast to uint64_t to avoid a 32 bit overflow warning

CID 173242:  Integer handling issues  (CONSTANT_EXPRESSION_RESULT)
 Conditionally removed unused luai_numisnan() floating point check

CID 173241:  Resource leaks  (RESOURCE_LEAK)
 Added missing close(fd) on error path

CID 173240:    (UNINIT)
Fixed uninitialized variable in get_special_prop()

CID 147560:  Null pointer dereferences  (NULL_RETURNS)
Cleaned up bad code merge in dsl_dataset_promote_check()

CID 28475:  Memory - illegal accesses  (OVERRUN)
Fixed lcompat_sprintf() to use a size paramater

CID 28418, 28422:  Error handling issues  (CHECKED_RETURN)
Added function result cast to (void) to avoid warning

CID 23935, 28411, 28412:  Memory - corruptions  (ARRAY_VS_SINGLETON)
Added casts to avoid exposing result as an array

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #7181
This commit is contained in:
Don Brady
2018-02-20 12:19:42 -07:00
committed by Brian Behlendorf
parent 7b30ee6baf
commit cbce581353
14 changed files with 24 additions and 19 deletions
+1 -1
View File
@@ -303,7 +303,7 @@ get_special_prop(lua_State *state, dsl_dataset_t *ds, const char *dsname,
{
int error = 0;
objset_t *os;
uint64_t numval;
uint64_t numval = 0;
char *strval = kmem_alloc(ZAP_MAXVALUELEN, KM_SLEEP);
char setpoint[ZFS_MAX_DATASET_NAME_LEN] =
"Internal error - setpoint not determined";