[PATCH] fix buffer overflow in udevadm

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Hi,

untested, etc.

Florian

diff --git a/udev/udevadm.c b/udev/udevadm.c
index b7295f3..1b33386 100644
--- a/udev/udevadm.c
+++ b/udev/udevadm.c
@@ -159,7 +159,7 @@ int main(int argc, char *argv[])
 			ssize_t len;
 
 			snprintf(path, sizeof(path), "/proc/%lu/exe", (unsigned long) getppid());
-			len = readlink(path, prog, sizeof(prog));
+			len = readlink(path, prog, sizeof(prog)-1);
 			if (len > 0) {
 				prog[len] = '\0';
 				fprintf(stderr, "the program '%s' called '%s', it should use 'udevadm %s <options>', "
--
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