On 3/25/22 3:56 PM, Andrii Nakryiko wrote:
14c174633f34 ("random: remove unused tracepoints") removed all the tracepoints from drivers/char/random.c, one of which, random:urandom_read, was used by stacktrace_build_id selftest to trigger stack trace capture. Fix breakage by switching to kprobing urandom_read() function. Suggested-by: Yonghong Song <yhs@xxxxxx> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Acked-by: Yonghong Song <yhs@xxxxxx>