STRLCPY/criu

restore: attach to threads of the root task in case of rst_sibling

In case of rst_sibling, we are tracing the root task, but we are tracing
only the leader thread, so we must attach to other threads to stop them.

Reported-by: Ross Boucher <[email protected]>
Cc: Ross Boucher <[email protected]>
Signed-off-by: Andrey Vagin <[email protected]>
Tested-by:  Ross Boucher <[email protected]>
Signed-off-by: Pavel Emelyanov <[email protected]>

Andrey Vagin committed with Pavel Emelyanov 9 years ago

3364b10b

1 parent 02dff551

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Total 1 files

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cr-restore.c

		skipped 1581 lines
1582	1582		for (i = 0; i < item->nr_threads; i++) {
1583	1583		pid = item->threads[i].real;
1584	1584
1585		-	if (item != root_item \|\| !root_seized) {
	1585	+	if (item != root_item \|\| !root_seized \|\| i != 0) {
1586	1586		if (ptrace(PTRACE_ATTACH, pid, 0, 0)) {
1587	1587		pr_perror("Can't attach to %d", pid);
1588	1588		return -1;
		skipped 1408 lines