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grub2/0418-Fix-several-memory-leaks.patch
Peter Jones f74b50e380 Rebase to upstream, fix a pile of bugs. The usual. 
Signed-off-by: Peter Jones <pjones@redhat.com>
2013-06-12 15:37:08 -04:00

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From 598550db95b1ca9419a9fb61900fbfa64d468bda Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Sat, 4 May 2013 13:47:10 +0200
Subject: [PATCH 418/482] Fix several memory leaks.
---
ChangeLog | 4 +++
grub-core/gfxmenu/font.c | 2 ++
grub-core/gfxmenu/gfxmenu.c | 2 +-
grub-core/gfxmenu/gui_list.c | 5 +++-
grub-core/gfxmenu/gui_progress_bar.c | 1 +
grub-core/normal/context.c | 2 ++
grub-core/normal/main.c | 2 ++
grub-core/normal/menu_entry.c | 10 +++++++-
grub-core/normal/menu_text.c | 5 +++-
grub-core/normal/term.c | 2 ++
grub-core/term/gfxterm.c | 47 +++++++++++++++++++++++++++++-------
grub-core/tests/lib/test.c | 3 ++-
grub-core/video/capture.c | 1 +
13 files changed, 72 insertions(+), 14 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 6b0576d..47f06fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-05-04 Vladimir Serbinenko <phcoder@gmail.com>
+ Fix several memory leaks.
+
+2013-05-04 Vladimir Serbinenko <phcoder@gmail.com>
+
* grub-core/normal/menu.c (run_menu): Fix timeout reference point.
2013-05-04 Vladimir Serbinenko <phcoder@gmail.com>
diff --git a/grub-core/gfxmenu/font.c b/grub-core/gfxmenu/font.c
index 4a8e1f1..9c6e2d4 100644
--- a/grub-core/gfxmenu/font.c
+++ b/grub-core/gfxmenu/font.c
@@ -70,6 +70,8 @@ grub_font_draw_string (const char *str, grub_font_t font,
return err;
}
+ for (ptr = visual; ptr < visual + visual_len; ptr++)
+ grub_free (ptr->combining);
grub_free (visual);
return GRUB_ERR_NONE;
diff --git a/grub-core/gfxmenu/gfxmenu.c b/grub-core/gfxmenu/gfxmenu.c
index 51110a6..f49fce8 100644
--- a/grub-core/gfxmenu/gfxmenu.c
+++ b/grub-core/gfxmenu/gfxmenu.c
@@ -85,7 +85,7 @@ grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
|| cached_view->screen.width != mode_info.width
|| cached_view->screen.height != mode_info.height)
{
- grub_free (cached_view);
+ grub_gfxmenu_view_destroy (cached_view);
/* Create the view. */
cached_view = grub_gfxmenu_view_new (full_theme_path ? : theme_path,
mode_info.width,
diff --git a/grub-core/gfxmenu/gui_list.c b/grub-core/gfxmenu/gui_list.c
index a06603b..1a2a16d 100644
--- a/grub-core/gfxmenu/gui_list.c
+++ b/grub-core/gfxmenu/gui_list.c
@@ -83,7 +83,10 @@ list_destroy (void *vself)
self->selected_item_box->destroy (self->selected_item_box);
if (self->icon_manager)
grub_gfxmenu_icon_manager_destroy (self->icon_manager);
-
+ if (self->scrollbar_thumb)
+ self->scrollbar_thumb->destroy (self->scrollbar_thumb);
+ if (self->scrollbar_frame)
+ self->scrollbar_frame->destroy (self->scrollbar_frame);
grub_free (self);
}
diff --git a/grub-core/gfxmenu/gui_progress_bar.c b/grub-core/gfxmenu/gui_progress_bar.c
index 965c6b3..cb70930 100644
--- a/grub-core/gfxmenu/gui_progress_bar.c
+++ b/grub-core/gfxmenu/gui_progress_bar.c
@@ -185,6 +185,7 @@ draw_text (grub_gui_progress_bar_t self)
int y = ((height - grub_font_get_descent (font)) / 2
+ grub_font_get_ascent (font) / 2);
grub_font_draw_string (text, font, text_color, x, y);
+ grub_free (text);
}
}
diff --git a/grub-core/normal/context.c b/grub-core/normal/context.c
index e9923cc..7e0a696 100644
--- a/grub-core/normal/context.c
+++ b/grub-core/normal/context.c
@@ -139,6 +139,8 @@ grub_env_context_close (void)
grub_current_context = context;
menu = current_menu->prev;
+ if (current_menu->menu)
+ grub_normal_free_menu (current_menu->menu);
grub_free (current_menu);
current_menu = menu;
diff --git a/grub-core/normal/main.c b/grub-core/normal/main.c
index 759e0a4..f7a815f 100644
--- a/grub-core/normal/main.c
+++ b/grub-core/normal/main.c
@@ -127,6 +127,7 @@ grub_normal_free_menu (grub_menu_t menu)
grub_free ((void *) entry->users);
grub_free ((void *) entry->title);
grub_free ((void *) entry->sourcecode);
+ grub_free (entry);
entry = next_entry;
}
@@ -191,6 +192,7 @@ read_config_file (const char *config)
if (ptr)
*ptr = 0;
grub_env_set ("config_directory", config_dir);
+ grub_free (config_dir);
grub_env_export ("config_file");
grub_env_export ("config_directory");
diff --git a/grub-core/normal/menu_entry.c b/grub-core/normal/menu_entry.c
index e0407aa..3cc0c01 100644
--- a/grub-core/normal/menu_entry.c
+++ b/grub-core/normal/menu_entry.c
@@ -517,7 +517,15 @@ destroy_screen (struct screen *screen)
struct line *linep = screen->lines + i;
if (linep)
- grub_free (linep->buf);
+ {
+ unsigned j;
+ if (linep->pos)
+ for (j = 0; j < screen->nterms; j++)
+ grub_free (linep->pos[j]);
+
+ grub_free (linep->buf);
+ grub_free (linep->pos);
+ }
}
grub_free (screen->killed_text);
diff --git a/grub-core/normal/menu_text.c b/grub-core/normal/menu_text.c
index e1d3c8f..19a5389 100644
--- a/grub-core/normal/menu_text.c
+++ b/grub-core/normal/menu_text.c
@@ -56,8 +56,10 @@ grub_getstringwidth (grub_uint32_t * str, const grub_uint32_t * last_position,
while (str < last_position)
{
struct grub_unicode_glyph glyph;
+ glyph.combining = 0;
str += grub_unicode_aglomerate_comb (str, last_position - str, &glyph);
width += grub_term_getcharwidth (term, &glyph);
+ grub_free (glyph.combining);
}
return width;
}
@@ -396,6 +398,7 @@ menu_text_print_timeout (int timeout, void *dataptr)
}
grub_print_message_indented (msg_translated, 3, 0, data->term);
+ grub_free (msg_translated);
posx = grub_term_getxy (data->term) >> 8;
grub_print_spaces (data->term, grub_term_width (data->term) - posx - 1);
@@ -447,7 +450,7 @@ menu_text_fini (void *dataptr)
grub_term_setcursor (data->term, 1);
grub_term_cls (data->term);
-
+ grub_free (data);
}
static void
diff --git a/grub-core/normal/term.c b/grub-core/normal/term.c
index 9764423..820156f 100644
--- a/grub-core/normal/term.c
+++ b/grub-core/normal/term.c
@@ -952,6 +952,8 @@ print_ucs4_real (const grub_uint32_t * str,
ret++;
if (visual_len_show && visual[visual_len_show - 1].base != '\n')
ret++;
+ for (vptr = visual; vptr < visual + visual_len; vptr++)
+ grub_free (vptr->combining);
grub_free (visual);
}
else
diff --git a/grub-core/term/gfxterm.c b/grub-core/term/gfxterm.c
index a168e01..1e33a34 100644
--- a/grub-core/term/gfxterm.c
+++ b/grub-core/term/gfxterm.c
@@ -175,7 +175,11 @@ set_term_color (grub_uint8_t term_color)
static void
clear_char (struct grub_colored_char *c)
{
- grub_free (c->code);
+ if (c->code)
+ {
+ grub_free (c->code->combining);
+ grub_free (c->code);
+ }
c->code = grub_unicode_glyph_from_code (' ');
if (!c->code)
grub_errno = GRUB_ERR_NONE;
@@ -188,7 +192,18 @@ grub_virtual_screen_free (void)
{
/* If virtual screen has been allocated, free it. */
if (virtual_screen.text_buffer != 0)
- grub_free (virtual_screen.text_buffer);
+ {
+ unsigned i;
+ for (i = 0;
+ i < virtual_screen.columns * virtual_screen.rows;
+ i++)
+ if (virtual_screen.text_buffer[i].code)
+ {
+ grub_free (virtual_screen.text_buffer[i].code->combining);
+ grub_free (virtual_screen.text_buffer[i].code);
+ }
+ grub_free (virtual_screen.text_buffer);
+ }
/* Reset virtual screen data. */
grub_memset (&virtual_screen, 0, sizeof (virtual_screen));
@@ -403,7 +418,11 @@ grub_gfxterm_term_fini (struct grub_term_output *term __attribute__ ((unused)))
for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++)
{
- grub_free (virtual_screen.text_buffer[i].code);
+ if (virtual_screen.text_buffer[i].code)
+ {
+ grub_free (virtual_screen.text_buffer[i].code->combining);
+ grub_free (virtual_screen.text_buffer[i].code);
+ }
virtual_screen.text_buffer[i].code = 0;
}
@@ -798,7 +817,11 @@ scroll_up (void)
/* Clear first line in text buffer. */
for (i = 0; i < virtual_screen.columns; i++)
- grub_free (virtual_screen.text_buffer[i].code);
+ if (virtual_screen.text_buffer[i].code)
+ {
+ grub_free (virtual_screen.text_buffer[i].code->combining);
+ grub_free (virtual_screen.text_buffer[i].code);
+ }
/* Scroll text buffer with one line to up. */
grub_memmove (virtual_screen.text_buffer,
@@ -874,7 +897,11 @@ grub_gfxterm_putchar (struct grub_term_output *term,
p = (virtual_screen.text_buffer +
virtual_screen.cursor_x +
virtual_screen.cursor_y * virtual_screen.columns);
- grub_free (p->code);
+ if (p->code)
+ {
+ grub_free (p->code->combining);
+ grub_free (p->code);
+ }
p->code = grub_unicode_glyph_dup (c);
if (!p->code)
grub_errno = GRUB_ERR_NONE;
@@ -889,10 +916,12 @@ grub_gfxterm_putchar (struct grub_term_output *term,
for (i = 1; i < char_width && p + i <
virtual_screen.text_buffer + virtual_screen.columns
* virtual_screen.rows; i++)
- {
- grub_free (p[i].code);
- p[i].code = NULL;
- }
+ if (p[i].code)
+ {
+ grub_free (p[i].code->combining);
+ grub_free (p[i].code);
+ p[i].code = NULL;
+ }
}
/* Draw glyph. */
diff --git a/grub-core/tests/lib/test.c b/grub-core/tests/lib/test.c
index 1d2cb8c..3000fc8 100644
--- a/grub-core/tests/lib/test.c
+++ b/grub-core/tests/lib/test.c
@@ -87,7 +87,8 @@ failure_append_vtext(grub_test_failure_t failure, const char *fmt, va_list args)
char *oldmsg = failure->message;
failure->message = grub_xasprintf("%s%s", oldmsg, msg);
- grub_free(oldmsg);
+ grub_free (oldmsg);
+ grub_free (msg);
}
else
{
diff --git a/grub-core/video/capture.c b/grub-core/video/capture.c
index be7fb61..18ffa28 100644
--- a/grub-core/video/capture.c
+++ b/grub-core/video/capture.c
@@ -115,6 +115,7 @@ grub_video_capture_get_framebuffer (void)
void
grub_video_capture_end (void)
{
+ grub_video_fb_delete_render_target (framebuffer.render_target);
grub_free (framebuffer.ptr);
grub_video_fb_fini ();
grub_video_adapter_active = saved;
--
1.8.2.1
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