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Code Issues Releases Activity

4427 pid provider rejects probes with valid UTF-8 names

Browse Source 
illumos/illumos-gate@1444d846b1
This commit is contained in:
Andriy Gapon 2014-01-16 12:53:01 +00:00
parent 5ce40f8083
commit ff5128b4f5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor-sys/illumos/dist/; revision=260708
1 changed files with 10 additions and 13 deletions
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23
uts/common/dtrace/fasttrap.c
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@ -25,7 +25,7 @@
*/
/*
* Copyright (c) 2011, Joyent, Inc. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
*/
#include <sys/atomic.h>
@ -1936,8 +1936,7 @@ fasttrap_ioctl(dev_t dev, int cmd, intptr_t arg, int md, cred_t *cr, int *rv)
fasttrap_probe_spec_t *probe;
uint64_t noffs;
size_t size;
int ret;
char *c;
int ret, err;
if (copyin(&uprobe->ftps_noffs, &noffs,
sizeof (uprobe->ftps_noffs)))
@ -1967,18 +1966,16 @@ fasttrap_ioctl(dev_t dev, int cmd, intptr_t arg, int md, cred_t *cr, int *rv)
* Verify that the function and module strings contain no
* funny characters.
*/
for (c = &probe->ftps_func[0]; *c != '\0'; c++) {
if (*c < 0x20 || 0x7f <= *c) {
ret = EINVAL;
goto err;
}
if (u8_validate(probe->ftps_func, strlen(probe->ftps_func),
NULL, U8_VALIDATE_ENTIRE, &err) < 0) {
ret = EINVAL;
goto err;
}
for (c = &probe->ftps_mod[0]; *c != '\0'; c++) {
if (*c < 0x20 || 0x7f <= *c) {
ret = EINVAL;
goto err;
}
if (u8_validate(probe->ftps_mod, strlen(probe->ftps_mod),
NULL, U8_VALIDATE_ENTIRE, &err) < 0) {
ret = EINVAL;
goto err;
}
if (!PRIV_POLICY_CHOICE(cr, PRIV_ALL, B_FALSE)) {