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 <[email protected]> --- fs/pstore/platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index c4c9a10c5760..de525ec0b490 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
