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-rw-r--r--usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c
index 54fbdc844b..8fbf3fc15f 100644
--- a/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c
+++ b/usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_capture.c
@@ -29,6 +29,7 @@
#include <strings.h>
#include <errno.h>
#include <fcntl.h>
+#include <limits.h>
#include <setjmp.h>
#include <sys/types.h>
#include <sys/signal.h>
@@ -618,6 +619,10 @@ cap_open_read(const char *name)
if (fstat(capfile_in, &st) < 0)
pr_err("couldn't stat %s: %m", name);
+ if (st.st_size > INT_MAX)
+ pr_err("input file size (%llu bytes) exceeds maximum "
+ "supported size (%d bytes)",
+ (unsigned long long)st.st_size, INT_MAX);
cap_len = st.st_size;
cap_buffp = mmap(0, cap_len, PROT_READ, MAP_PRIVATE, capfile_in, 0);