39 lines
1.6 KiB
Diff
39 lines
1.6 KiB
Diff
From ebb3f05ef5d2bf3543e61047a658103baa293ca0 Mon Sep 17 00:00:00 2001
|
|
From: Yu Watanabe <watanabe.yu+github@gmail.com>
|
|
Date: Fri, 2 Dec 2022 14:30:22 +0900
|
|
Subject: [PATCH] bootspec: fix null-dereference-read
|
|
|
|
Fixes [oss-fuzz#53578](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53578).
|
|
Fixes #25450.
|
|
|
|
(cherry picked from commit 46dc071985ff487f5ccf20808531168a6add73d3)
|
|
|
|
Related: RHEL-40119
|
|
---
|
|
src/shared/bootspec.c | 2 ++
|
|
...lusterfuzz-testcase-minimized-fuzz-bootspec-5731869371269120 | 1 +
|
|
2 files changed, 3 insertions(+)
|
|
create mode 100644 test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5731869371269120
|
|
|
|
diff --git a/src/shared/bootspec.c b/src/shared/bootspec.c
|
|
index 61e20c40a8..7fe8845429 100644
|
|
--- a/src/shared/bootspec.c
|
|
+++ b/src/shared/bootspec.c
|
|
@@ -996,6 +996,8 @@ static int boot_config_find(const BootConfig *config, const char *id) {
|
|
if (id[0] == '@') {
|
|
if (!strcaseeq(id, "@saved"))
|
|
return -1;
|
|
+ if (!config->entry_selected)
|
|
+ return -1;
|
|
id = config->entry_selected;
|
|
}
|
|
|
|
diff --git a/test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5731869371269120 b/test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5731869371269120
|
|
new file mode 100644
|
|
index 0000000000..8804abd094
|
|
--- /dev/null
|
|
+++ b/test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5731869371269120
|
|
@@ -0,0 +1 @@
|
|
+{"config":"default @saved","loader":[""]}
|
|
\ No newline at end of file
|