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libsandbox: always permit access to '/memfd:' #20

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Aug 1, 2023
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libsandbox: always permit access to '/memfd:' #20

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6 changes: 6 additions & 0 deletions libsandbox/libsandbox.c
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Original file line number Diff line number Diff line change
Expand Up @@ -713,6 +713,12 @@ static int check_access(sbcontext_t *sbcontext, int sb_nr, const char *func,
/* Fall in a read/write denied path, Deny Access */
goto out;

if (!strncmp(resolv_path, "/memfd:", strlen("/memfd:"))) {
/* Allow operations on memfd objects #910561 */
result = 1;
goto out;
}

if (!sym_func) {
retval = check_prefixes(sbcontext->deny_prefixes,
sbcontext->num_deny_prefixes, resolv_path);
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