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b272bbd408
grub2/grub-core
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Zhang Boyang b272bbd408 font: Assign null_font to glyphs in ascii_font_glyph[] 
The calculations in blit_comb() need information from glyph's font, e.g.
grub_font_get_xheight(main_glyph->font). However, main_glyph->font is
NULL if main_glyph comes from ascii_font_glyph[]. Therefore
grub_font_get_*() crashes because of NULL pointer.

There is already a solution, the null_font. So, assign it to those glyphs
in ascii_font_glyph[].

Reported-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Zhang Boyang <zhangboyang.id@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2022-11-12 22:51:49 +00:00
..
boot Add configure option to reduce visual clutter at boot time 2021-09-27 20:09:38 +01:00
bus usb/usbhub: Use GRUB_USB_MAX_CONF macro instead of literal in hub for maximum configs 2021-04-12 16:26:49 +02:00
commands commands/boot: Add API to pass context to loader 2022-06-08 12:41:03 +02:00
disk i18n: Format large integers before the translation message 2021-04-13 17:16:04 +02:00
efiemu i18n: Format large integers before the translation message 2021-04-13 17:16:04 +02:00
font font: Assign null_font to glyphs in ascii_font_glyph[] 2022-11-12 22:51:49 +00:00
fs fs/btrfs: Fix more fuzz issues related to chunks 2022-06-08 12:41:03 +02:00
gdb gdb: Restrict GDB access when locked down 2021-03-02 15:54:15 +01:00
gettext Silence error messages when translations are unavailable 2021-09-24 22:18:50 +01:00
gfxmenu gfxmenu/gui: Check printf() format in the gui_progress_bar and gui_label 2021-03-02 15:54:20 +01:00
hello * grub-core/commands/gptsync.c: Fix typographic quoting. 2012-03-03 13:05:08 +01:00
hook * grub-core/hook/datehook.c (grub_read_hook_datetime): Small stylistic 2011-11-11 21:03:49 +01:00
io io/gzio: Zero gzio->tl/td in init_dynamic_block() if huft_build() fails 2021-03-02 15:54:18 +01:00
kern kern/efi/sb: Enforce verification of font files 2022-11-12 22:51:49 +00:00
lib minilzo: Update to minilzo-2.10 2021-11-29 00:07:08 +00:00
loader loader/efi/chainloader: Use grub_loader_set_ex() 2022-06-08 12:41:03 +02:00
mmap mmap: Fix memory leak when iterating over mapped memory 2021-03-02 15:54:15 +01:00
net net/http: Error out on headers with LF without CR 2022-06-08 12:41:03 +02:00
normal normal/charset: Fix array out-of-bounds formatting unicode for display 2022-06-08 12:41:03 +02:00
osdep Minimise writes to EFI variable storage 2021-09-27 20:09:39 +01:00
partmap mbr: Warn if MBR gap is small and user uses advanced modules 2020-12-12 01:19:03 +01:00
parttool parttool/msdospart: grub_error() missing format string argument 2021-03-10 14:50:44 +01:00
script misc: Format string for grub_error() should be a literal 2021-03-10 14:50:44 +01:00
term at_keyboard: initialize keyboard in module init if keyboard is ready 2021-09-27 20:09:39 +01:00
tests fs: Use 64-bit type for filesystem timestamp 2021-06-01 17:19:13 +02:00
video fbutil: Fix integer overflow 2022-11-12 22:51:49 +00:00
gdb_grub.in * grub-core/gdb_grub.in: Fix overflow and wrong field. 2013-10-14 03:40:20 +02:00
genemuinit.sh use MODULE_FILES for genemuinit* instead of MOD_FILES 2014-01-18 23:15:40 +04:00
genemuinitheader.sh use MODULE_FILES for genemuinit* instead of MOD_FILES 2014-01-18 23:15:40 +04:00
genmod.sh.in .mod files: Strip annobin annotations and .eh_frame, and their relocations 2018-03-05 14:08:22 +01:00
genmoddep.awk enforcing fixup 2017-08-14 16:27:10 +02:00
gensyminfo.sh.in Fix shebang for termux. 2017-05-03 12:49:31 +02:00
gensymlist.sh Make 'make check' work on emu. 2013-04-27 02:00:16 +02:00
gentrigtables.c * grub-core/gentrigtables.c: Make tables const. 2013-03-01 11:15:09 +01:00
gmodule.pl.in * grub-core/gmodule.pl.in: Accept newer binutils which output 2014-09-21 18:23:23 +02:00
Makefile.am i386-pc: build verifiers API as module 2021-09-27 20:09:39 +01:00
Makefile.core.am Import grub2_2.06.orig.tar.xz 2021-09-24 10:34:42 +01:00
Makefile.core.def i386-pc: build verifiers API as module 2021-09-27 20:09:39 +01:00
Makefile.gcry.def Import grub2_2.02~beta3.orig.tar.xz 2016-09-18 17:40:00 +01:00
Makefile.in Import grub2_2.06.orig.tar.xz 2021-09-24 10:34:42 +01:00
modinfo.sh.in Fix shebang for termux. 2017-05-03 12:49:31 +02:00
unidata.c Import grub2_2.02~beta3.orig.tar.xz 2016-09-18 17:40:00 +01:00