Stefano Stabellini
2009-Nov-30 14:27 UTC
[Xen-devel] [PATCH] libxenlight: fix segfault when reading blktap2 devs
Hi all,
this patch fixes a possible segfault when reading from
/sys/class/blktap2/devices, if the line read is empty.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
diff -r 1b0554b495f8 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Mon Nov 30 14:24:21 2009 +0000
+++ b/tools/libxl/libxl.c Mon Nov 30 14:24:56 2009 +0000
@@ -940,6 +940,8 @@
while (!feof(f)) {
fscanf(f, "%d %s", &devnum, buf);
p = strchr(buf, '':'');
+ if (p == NULL)
+ continue;
p++;
if (!strcmp(p, name) && !strncmp(buf, type, 3)) {
fclose(f);
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