https://bz.apache.org/bugzilla/show_bug.cgi?id=60836
Bug ID: 60836
Summary: errno not inited before strtol
Product: Apache httpd-2
Version: 2.2.32
Hardware: PC
OS: Linux
Status: NEW
Severity: minor
Priority: P2
Component: Core
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Hello,
starting apache httpd 2.2 sometimes fails with the following error:
Invalid ThreadStackSize value: 1048576
The concerned code is here (mpm_common.c):
const char *ap_mpm_set_thread_stacksize(cmd_parms *cmd, void *dummy,
const char *arg)
{
long value;
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
value = strtol(arg, NULL, 0);
if (value < 0 || errno == ERANGE)
return apr_pstrcat(cmd->pool, "Invalid ThreadStackSize value: ",
arg, NULL);
ap_thread_stacksize = (apr_size_t)value;
return NULL;
}
before calling strtol you should init errno to 0, otherwise it will remain
unchanged (if strtol succeeds). If errno has already the value 'ERANGE', the
described error occurs.
Best Regards
Paolo
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