systemd/0229-bootctl-fix-potential-uninitialized-memory-access.patch
Jan Macku eb5b3a87a8 systemd-257-8
Resolves: RHEL-71409, RHEL-75774
2025-02-14 10:09:33 +01:00

79 lines
5.9 KiB
Diff

From d42ebb344d8692e0fd437ce38396d89d06017065 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 9 Feb 2025 09:53:39 +0100
Subject: [PATCH] bootctl: fix potential uninitialized memory access
And while we are at it, let' get rid of have_xyz_partition_uuid
variables, to simplify things.
(cherry picked from commit df28afe9b2de9e480121c25f222fa487fed927ce)
---
src/bootctl/bootctl-status.c | 34 +++++++++++++++++-----------------
1 file changed, 17 insertions(+), 17 deletions(-)
diff --git a/src/bootctl/bootctl-status.c b/src/bootctl/bootctl-status.c
index 6bcb348935..3b46632b92 100644
--- a/src/bootctl/bootctl-status.c
+++ b/src/bootctl/bootctl-status.c
@@ -476,10 +476,9 @@ int verb_status(int argc, char *argv[], void *userdata) {
for (size_t i = 0; i < ELEMENTSOF(loader_flags); i++)
print_yes_no_line(i == 0, FLAGS_SET(loader_features, loader_flags[i].flag), loader_flags[i].name);
- sd_id128_t loader_partition_uuid;
- bool have_loader_partition_uuid = efi_loader_get_device_part_uuid(&loader_partition_uuid) >= 0;
-
- print_yes_no_line(false, have_loader_partition_uuid, "Boot loader set ESP information");
+ sd_id128_t loader_partition_uuid = SD_ID128_NULL;
+ (void) efi_loader_get_device_part_uuid(&loader_partition_uuid);
+ print_yes_no_line(/* first= */ false, !sd_id128_is_null(loader_partition_uuid), "Boot loader set partition information");
if (current_entry)
printf("Current Entry: %s\n", current_entry);
@@ -488,14 +487,14 @@ int verb_status(int argc, char *argv[], void *userdata) {
if (oneshot_entry && !streq_ptr(oneshot_entry, default_entry))
printf("OneShot Entry: %s\n", oneshot_entry);
- if (have_loader_partition_uuid && !sd_id128_is_null(esp_uuid) && !sd_id128_equal(esp_uuid, loader_partition_uuid))
- printf("WARNING: The boot loader reports a different partition UUID than the detected ESP ("SD_ID128_UUID_FORMAT_STR" vs. "SD_ID128_UUID_FORMAT_STR")!\n",
- SD_ID128_FORMAT_VAL(loader_partition_uuid), SD_ID128_FORMAT_VAL(esp_uuid));
+ if (!sd_id128_is_null(loader_partition_uuid)) {
+ if (!sd_id128_is_null(esp_uuid) && !sd_id128_equal(esp_uuid, loader_partition_uuid))
+ printf("WARNING: The boot loader reports a different partition UUID than the detected ESP ("SD_ID128_UUID_FORMAT_STR" vs. "SD_ID128_UUID_FORMAT_STR")!\n",
+ SD_ID128_FORMAT_VAL(loader_partition_uuid), SD_ID128_FORMAT_VAL(esp_uuid));
- if (!sd_id128_is_null(loader_partition_uuid))
printf(" Partition: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n",
SD_ID128_FORMAT_VAL(loader_partition_uuid));
- else
+ } else
printf(" Partition: n/a\n");
printf(" Loader: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(loader_path));
printf("\n");
@@ -507,17 +506,18 @@ int verb_status(int argc, char *argv[], void *userdata) {
for (size_t i = 0; i < ELEMENTSOF(stub_flags); i++)
print_yes_no_line(i == 0, FLAGS_SET(stub_features, stub_flags[i].flag), stub_flags[i].name);
- sd_id128_t stub_partition_uuid;
- bool have_stub_partition_uuid = efi_stub_get_device_part_uuid(&stub_partition_uuid) >= 0;
+ sd_id128_t stub_partition_uuid = SD_ID128_NULL;
+ (void) efi_stub_get_device_part_uuid(&stub_partition_uuid);
+
+ if (!sd_id128_is_null(stub_partition_uuid)) {
+ if (!(!sd_id128_is_null(esp_uuid) && sd_id128_equal(esp_uuid, stub_partition_uuid)) &&
+ !(!sd_id128_is_null(xbootldr_uuid) && sd_id128_equal(xbootldr_uuid, stub_partition_uuid)))
+ printf("WARNING: The stub loader reports a different UUID than the detected ESP or XBOOTDLR partition ("SD_ID128_UUID_FORMAT_STR" vs. "SD_ID128_UUID_FORMAT_STR"/"SD_ID128_UUID_FORMAT_STR")!\n",
+ SD_ID128_FORMAT_VAL(stub_partition_uuid), SD_ID128_FORMAT_VAL(esp_uuid), SD_ID128_FORMAT_VAL(xbootldr_uuid));
- if (have_stub_partition_uuid && (!(!sd_id128_is_null(esp_uuid) && sd_id128_equal(esp_uuid, stub_partition_uuid)) &&
- !(!sd_id128_is_null(xbootldr_uuid) && sd_id128_equal(xbootldr_uuid, stub_partition_uuid))))
- printf("WARNING: The stub loader reports a different UUID than the detected ESP or XBOOTDLR partition ("SD_ID128_UUID_FORMAT_STR" vs. "SD_ID128_UUID_FORMAT_STR"/"SD_ID128_UUID_FORMAT_STR")!\n",
- SD_ID128_FORMAT_VAL(stub_partition_uuid), SD_ID128_FORMAT_VAL(esp_uuid), SD_ID128_FORMAT_VAL(xbootldr_uuid));
- if (!sd_id128_is_null(stub_partition_uuid))
printf(" Partition: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n",
SD_ID128_FORMAT_VAL(stub_partition_uuid));
- else
+ } else
printf(" Partition: n/a\n");
printf(" Stub: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(stub_path));
printf("\n");