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grub/grub-core
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Michael Chang d0de8b37f6 verifiers: Fix calling uninitialized function pointer 
The necessary check for NULL before use of function ver->close is not
taking place in the failure path. This patch simply adds the missing
check and fixes the problem that GRUB hangs indefinitely after booting
rogue image without valid signature if secure boot is turned on.

Now it displays like this for booting rogue UEFI image:

  error: bad shim signature
  error: you need to load the kernel first

  Press any key to continue...

and then you can go back to boot menu by pressing any key or after a few
seconds expired.

Signed-off-by: Michael Chang <mchang@suse.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2020-02-18 15:17:40 +01:00
..
boot A workaround for clang problem assembling startup_raw.S 2019-04-08 15:22:10 +10:00
bus ehci: Fix compilation on i386 2017-07-09 21:31:19 +02:00
commands verifiers: Fix calling uninitialized function pointer 2020-02-18 15:17:40 +01:00
disk disk: Implement support for LUKS2 2020-01-10 14:30:24 +01:00
efiemu smbios: Add a module for retrieving SMBIOS information 2019-07-11 21:06:12 +02:00
font verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
fs squash4: Fix an uninitialized variable 2020-01-28 21:22:01 +01:00
gdb i386, x86_64, ppc: fix switch fallthrough cases with GCC7 2017-04-04 19:23:55 +03:00
gettext verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
gfxmenu verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +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 Change fs functions to add fs_ prefix 2019-04-09 10:03:29 +10:00
kern kern: Add %X option to printf functions 2020-02-18 15:12:06 +01:00
lib normal: Move common datetime functions out of the normal module 2020-02-18 15:12:06 +01:00
loader multiboot2: Set min address for mbi allocation to 0x1000 2019-12-20 20:35:21 +01:00
mmap xen: Prepare common code for Xen PVH support 2018-12-12 12:03:27 +01:00
net normal/main: Search for specific config files for netboot 2020-02-18 15:12:06 +01:00
normal normal/main: Search for specific config files for netboot 2020-02-18 15:12:06 +01:00
osdep hostdisk: Set linux file descriptor to O_CLOEXEC as default 2019-11-18 13:42:55 +01:00
partmap msdos: Fix overflow in converting partition start and length into 512B blocks 2018-09-27 14:56:45 +02:00
parttool * grub-core/net/http.c: Add TRANSLATORS comments. 2012-03-05 16:42:26 +01:00
script verifiers: Verify commands executed by grub 2018-12-12 13:17:52 +01:00
term at_keyboard: Fix unreliable key presses 2019-10-21 14:07:47 +02:00
tests Regenerate checksum.h with newer unifont. 2017-08-30 17:12:04 +02:00
video video: skip 'text' gfxpayload if not supported, to fallback to default 2019-05-20 13:00:44 +02:00
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 RISC-V: Add to build system 2019-02-25 14:02:05 +01:00
Makefile.core.def normal: Move common datetime functions out of the normal module 2020-02-18 15:12:06 +01:00
modinfo.sh.in Fix shebang for termux. 2017-05-03 12:49:31 +02:00