Commit f0e2efcf authored May 21, 2015 by Konstantin Khlebnikov Committed by Tony Luck May 21, 2015

pstore: do not use message compression without lock

pstore_compress() uses static stream buffer for zlib-deflate which
easily crashes when several concurrent threads use one shared state.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Tony Luck <tony.luck@intel.com>

parent e2608180

fs/pstore/platform.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -299,7 +299,7 @@ static void pstore_dump(struct kmsg_dumper *dumper,
		bool compressed;
		size_t total_len;

		if (big_oops_buf) {
		if (big_oops_buf && is_locked) {
		dst = big_oops_buf;
		hsize = sprintf(dst, "%s#%d Part%u\n", why,
		oopscount, part);