On Wed, Feb 9, 2022 at 4:51 PM Richard Guy Briggs rgb@redhat.com wrote:
The user pointer was being illegally dereferenced directly to get the open_how flags data in audit_match_perm. Use the previously saved flags data elsewhere in the context instead.
Coverage is provided by the audit-testsuite syscalls_file test case.
Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/c96031b4-b76d-d82c-e232-1cccbbf71946@suse.com Fixes: 1c30e3af8a79 ("audit: add support for the openat2 syscall") Reported-by: Jeff Mahoney jeffm@suse.com Signed-off-by: Richard Guy Briggs rgb@redhat.com
kernel/auditsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Thanks Richard. As this came in ~40m after the other patch, and both are identical code changes, I've merged the other patch but I did add a note that you also submitted a similar patch. Once the automated testing completes I'll send this up to Linus.