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authorGiuseppe Scrivano <gscrivan@redhat.com>2019-05-31 10:34:35 +0200
committerGiuseppe Scrivano <gscrivan@redhat.com>2019-05-31 22:05:24 +0200
commit10983c363e4ccd7c82dc01607dbcb611150acfdc (patch)
treea769be9447f71ab134725f322b2643b34d785df6
parent503ed5fe0319c6a673f3ad43b00aacf2199bcf74 (diff)
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rootless: make sure the buffer is NUL terminated
after we read from the pause PID file, NUL terminate the buffer to avoid reading garbage from the stack. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
-rw-r--r--pkg/rootless/rootless_linux.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkg/rootless/rootless_linux.c b/pkg/rootless/rootless_linux.c
index 2356882e7..8608930dd 100644
--- a/pkg/rootless/rootless_linux.c
+++ b/pkg/rootless/rootless_linux.c
@@ -276,6 +276,8 @@ static void __attribute__((constructor)) init()
free (cwd);
return;
}
+ buf[r] = '\0';
+
pid = strtol (buf, NULL, 10);
if (pid == LONG_MAX)
{