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61 lines
1.6 KiB
61 lines
1.6 KiB
7 years ago
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From db5ae694f5e18c847b0e0dbe9a3d2c95239a7d33 Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Sun, 26 Jan 2014 02:36:05 +0100
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Subject: [PATCH 046/237] * grub-core/term/serial.c (grub_serial_register): Fix
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invalid free. Ensure that pointers are inited to NULL and that pointers are
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not accessed after free.
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---
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ChangeLog | 5 +++++
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grub-core/term/serial.c | 8 ++++----
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2 files changed, 9 insertions(+), 4 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index c93f11f..67b4d5c 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2014-01-26 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ * grub-core/term/serial.c (grub_serial_register): Fix invalid free.
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+ Ensure that pointers are inited to NULL and that pointers are not
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+ accessed after free.
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2014-01-25 Andrey Borzenkov <arvidjaar@gmail.com>
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diff --git a/grub-core/term/serial.c b/grub-core/term/serial.c
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index b581a76..c9b5574 100644
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--- a/grub-core/term/serial.c
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+++ b/grub-core/term/serial.c
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@@ -338,23 +338,23 @@ grub_serial_register (struct grub_serial_port *port)
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grub_free (indata);
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return grub_errno;
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}
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-
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- out = grub_malloc (sizeof (*out));
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+
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+ out = grub_zalloc (sizeof (*out));
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if (!out)
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{
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- grub_free (in);
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grub_free (indata);
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grub_free ((char *) in->name);
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+ grub_free (in);
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return grub_errno;
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}
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outdata = grub_malloc (sizeof (*outdata));
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if (!outdata)
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{
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- grub_free (in);
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grub_free (indata);
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grub_free ((char *) in->name);
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grub_free (out);
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+ grub_free (in);
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return grub_errno;
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}
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--
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2.9.3
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