58 lines
2.0 KiB
Diff
58 lines
2.0 KiB
Diff
From a4aa2ab6aada7e8c0f4bb99a94830baa5a774d58 Mon Sep 17 00:00:00 2001
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From: Frantisek Sumsal <frantisek@sumsal.cz>
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Date: Mon, 27 Mar 2023 16:51:00 +0200
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Subject: [PATCH] cryptenroll: fix a memory leak
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$ dd if=/dev/zero of=luks.img bs=1M count=64
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$ echo 1231dfsd234d | cryptsetup luksFormat luks.img
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$ build-san/systemd-cryptenroll luks.img
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SLOT TYPE
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0 password
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=================================================================
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==640364==ERROR: LeakSanitizer: detected memory leaks
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Direct leak of 64 byte(s) in 1 object(s) allocated from:
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#0 0x7f43ffeb95b5 in __interceptor_realloc.part.0 (/lib64/libasan.so.8+0xb95b5)
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#1 0x7f43ff0a4f2f in greedy_realloc ../src/basic/alloc-util.c:70
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#2 0x404d9f in list_enrolled ../src/cryptenroll/cryptenroll-list.c:30
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#3 0x40f149 in run ../src/cryptenroll/cryptenroll.c:673
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#4 0x40f149 in main ../src/cryptenroll/cryptenroll.c:692
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#5 0x7f43fd64a50f in __libc_start_call_main (/lib64/libc.so.6+0x2750f)
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SUMMARY: AddressSanitizer: 64 byte(s) leaked in 1 allocation(s).
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Aborted (core dumped)
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Reported in https://github.com/systemd/systemd/pull/27007.
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(cherry picked from commit 30dbadf65eaa64daa494118eb0cec7750f376c25)
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Related: RHEL-16182
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---
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src/cryptenroll/cryptenroll-list.c | 11 ++++++-----
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1 file changed, 6 insertions(+), 5 deletions(-)
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diff --git a/src/cryptenroll/cryptenroll-list.c b/src/cryptenroll/cryptenroll-list.c
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index 62688da3d3..d21df7123b 100644
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--- a/src/cryptenroll/cryptenroll-list.c
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+++ b/src/cryptenroll/cryptenroll-list.c
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@@ -5,12 +5,13 @@
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#include "format-table.h"
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#include "parse-util.h"
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-int list_enrolled(struct crypt_device *cd) {
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+struct keyslot_metadata {
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+ int slot;
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+ const char *type;
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+};
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- struct keyslot_metadata {
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- int slot;
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- const char *type;
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- } *keyslot_metadata = NULL;
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+int list_enrolled(struct crypt_device *cd) {
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+ _cleanup_free_ struct keyslot_metadata *keyslot_metadata = NULL;
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_cleanup_(table_unrefp) Table *t = NULL;
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size_t n_keyslot_metadata = 0;
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int slot_max, r;
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