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audit: move audit_return_fixup before the filters
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commit d4fefa4 upstream.

The success and return_code are needed by the filters.  Move
audit_return_fixup() before the filters.  This was causing syscall
auditing events to be missed.

Link: linux-audit/audit-kernel#138
Cc: stable@vger.kernel.org
Fixes: 12c5e81 ("audit: prepare audit_context for use in calling contexts beyond syscalls")
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: manual merge required]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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rgbriggs authored and imaami committed Aug 30, 2022
1 parent d4201ac commit 3f12ab5
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions kernel/auditsc.c
Original file line number Diff line number Diff line change
Expand Up @@ -1965,6 +1965,7 @@ void __audit_uring_exit(int success, long code)
goto out;
}

audit_return_fixup(ctx, success, code);
if (ctx->context == AUDIT_CTX_SYSCALL) {
/*
* NOTE: See the note in __audit_uring_entry() about the case
Expand Down Expand Up @@ -2006,7 +2007,6 @@ void __audit_uring_exit(int success, long code)
audit_filter_inodes(current, ctx);
if (ctx->current_state != AUDIT_STATE_RECORD)
goto out;
audit_return_fixup(ctx, success, code);
audit_log_exit();

out:
Expand Down Expand Up @@ -2090,13 +2090,13 @@ void __audit_syscall_exit(int success, long return_code)
if (!list_empty(&context->killed_trees))
audit_kill_trees(context);

audit_return_fixup(context, success, return_code);
/* run through both filters to ensure we set the filterkey properly */
audit_filter_syscall(current, context);
audit_filter_inodes(current, context);
if (context->current_state < AUDIT_STATE_RECORD)
goto out;

audit_return_fixup(context, success, return_code);
audit_log_exit();

out:
Expand Down

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