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grub2/grub-core/commands
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Chris Coulson bb35dbb9bf commands/boot: Add API to pass context to loader 
Loaders rely on global variables for saving context which is consumed
in the boot hook and freed in the unload hook. In the case where a loader
command is executed twice, calling grub_loader_set a second time executes
the unload hook, but in some cases this runs when the loader's global
context has already been updated, resulting in the updated context being
freed and potential use-after-free bugs when the boot hook is subsequently
called.

This adds a new API (grub_loader_set_ex) which allows a loader to specify
context that is passed to its boot and unload hooks. This is an alternative
to requiring that loaders call grub_loader_unset before mutating their
global context.

Signed-off-by: Chris Coulson <chris.coulson@canonical.com>
(cherry picked from commit 4322a64dde7e8fedb58e50b79408667129d45dd3)
2022-06-08 12:41:03 +02:00
..
arc Remove nested functions from device iterators. 2013-01-20 15:52:15 +00:00
efi tpm: Pass unknown error as non-fatal, but debug print the error we got 2021-09-27 20:09:39 +01:00
i386 Add configure option to enable gfxpayload=keep dynamically 2021-09-27 20:09:38 +01:00
ieee1275 * grub-core/commands/gptsync.c: Fix typographic quoting. 2012-03-03 13:05:08 +01:00
mips/loongson * grub-core/commands/i386/pc/drivemap.c: Add TRANSLATORS comments. 2012-03-02 15:09:10 +01:00
xen Correct some translatable strings. 2013-12-21 03:03:31 +01:00
acpi.c acpi: Don't register the acpi command when locked down 2021-03-02 15:54:15 +01:00
acpihalt.c acpihalt: add GRUB_ACPI_OPCODE_CREATE_DWORD_FIELD (0x8a) 2016-01-02 21:33:18 +03:00
blocklist.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
boot.c commands/boot: Add API to pass context to loader 2022-06-08 12:41:03 +02:00
boottime.c Clarify several translatable messages. 2013-12-21 03:21:45 +01:00
cacheinfo.c cacheinfo: Add missing license information. 2015-03-20 11:13:58 +01:00
cat.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
cmp.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
configfile.c * grub-core/commands/configfile.c (GRUB_MOD_INIT): Correct 2012-10-12 15:34:33 +01:00
date.c misc: Make grub_strtol() "end" pointers have safer const qualifiers 2020-02-28 12:41:29 +01:00
echo.c Implement automatic module license checking according to new GNU 2011-04-11 23:01:51 +02:00
eval.c * grub-core/script/execute.c (grub_script_execute_sourcecode): Split 2013-06-07 18:40:37 +02:00
extcmd.c kern: Add lockdown support 2021-03-02 15:54:15 +01:00
file32.c Implement grub_file tool and use it to implement generating of config 2013-12-17 14:39:48 +01:00
file64.c Implement grub_file tool and use it to implement generating of config 2013-12-17 14:39:48 +01:00
file.c commands/file: Fix array/enum desync 2021-03-02 16:46:09 +01:00
fileXX.c commands/fileXX: Fix remaining memory leak. 2015-01-25 16:36:30 +03:00
gptsync.c gptsync: Add missing device_close. 2015-01-24 20:52:02 +01:00
halt.c Add noreturn attributes and remove unreachable code. 2011-12-13 15:13:51 +01:00
hashsum.c commands/hashsum: Fix a memory leak 2021-03-02 15:54:17 +01:00
hdparm.c commands/hdparm: Restrict hdparm command when locked down 2021-03-02 15:54:15 +01:00
help.c * include/grub/list.h (FOR_LIST_ELEMENTS_SAFE): New macro. 2012-07-02 11:19:22 +02:00
hexdump.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
iorw.c efi: Use grub_is_lockdown() instead of hardcoding a disabled modules list 2021-03-02 15:54:15 +01:00
keylayouts.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
keystatus.c kern/term: Make grub_getkeystatus() helper function available everywhere 2020-04-21 22:08:52 +02:00
legacycfg.c malloc: Use overflow checking primitives where we do complex allocations 2020-07-29 16:55:47 +02:00
loadenv.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
ls.c i18n: Align N_() formatting with the rest of GRUB code 2021-05-10 15:07:58 +02:00
lsacpi.c * grub-core/commands/lsacpi.c: Fix types on 64-bit platform. 2013-02-06 17:37:29 +01:00
lsmmap.c Translate UEFI persistent memory type 2015-12-15 10:25:34 +03:00
lspci.c Remove nested functions from PCI iterators. 2013-01-13 01:10:41 +00:00
macbless.c Change fs functions to add fs_ prefix 2019-04-09 10:03:29 +10:00
memrw.c efi: Use grub_is_lockdown() instead of hardcoding a disabled modules list 2021-03-02 15:54:15 +01:00
menuentry.c commands/menuentry: Fix quoting in setparams_prefix() 2021-03-02 15:54:17 +01:00
minicmd.c dl: Only allow unloading modules that are not dependencies 2021-03-02 15:54:15 +01:00
nativedisk.c calloc: Use calloc() at most places 2020-07-29 16:55:47 +02:00
parttool.c calloc: Use calloc() at most places 2020-07-29 16:55:47 +02:00
password_pbkdf2.c misc: Make grub_strtol() "end" pointers have safer const qualifiers 2020-02-28 12:41:29 +01:00
password.c Improve gettext support. Stylistic fixes and error handling fixes while 2012-02-08 19:26:01 +01:00
pcidump.c misc: Make grub_strtol() "end" pointers have safer const qualifiers 2020-02-28 12:41:29 +01:00
pgp.c commands/pgp: Format code for grub_error() is incorrect 2021-03-10 14:52:36 +01:00
probe.c commands/probe: Fix a resource leak when probing disks 2021-03-02 15:54:17 +01:00
read.c Implement automatic module license checking according to new GNU 2011-04-11 23:01:51 +02:00
reboot.c Add noreturn attributes and remove unreachable code. 2011-12-13 15:13:51 +01:00
regexp.c calloc: Use calloc() at most places 2020-07-29 16:55:47 +02:00
search_file.c * grub-core/commands/search_file.c (SEARCH_TARGET): Remove obsolete 2012-02-03 11:46:18 +01:00
search_label.c * grub-core/commands/search_file.c (SEARCH_TARGET): Remove obsolete 2012-02-03 11:46:18 +01:00
search_uuid.c * grub-core/commands/search_file.c (SEARCH_TARGET): Remove obsolete 2012-02-03 11:46:18 +01:00
search_wrap.c calloc: Use calloc() at most places 2020-07-29 16:55:47 +02:00
search.c Change fs functions to add fs_ prefix 2019-04-09 10:03:29 +10:00
setpci.c commands/setpci: Restrict setpci command when locked down 2021-03-02 15:54:15 +01:00
sleep.c kern/term: Accept ESC, F4 and holding SHIFT as user interrupt keys 2020-04-21 22:13:44 +02:00
smbios.c smbios: Add a --linux argument to apply linux modalias-like filtering 2020-03-10 21:35:02 +01:00
syslinuxcfg.c commands/syslinux: Add missing free. 2015-01-24 21:23:25 +01:00
terminal.c i18n: Align N_() formatting with the rest of GRUB code 2021-05-10 15:07:58 +02:00
test.c misc: Make grub_strtol() "end" pointers have safer const qualifiers 2020-02-28 12:41:29 +01:00
testload.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
testspeed.c verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
time.c Improve string. Gettextize. 2012-02-12 15:25:25 +01:00
tpm.c tpm: Rename function grub_tpm_log_event() to grub_tpm_measure() 2020-05-15 15:37:28 +02:00
tr.c commands/tr: Simplify and fix missing parameter test. 2015-01-24 21:25:42 +01:00
true.c * grub-core/commands/acpihalt.c: Add TRANSLATORS comments. 2012-03-03 12:59:28 +01:00
usbtest.c usbtest: Disable gcc9 -Waddress-of-packed-member 2019-04-23 11:37:08 +02:00
videoinfo.c misc: Make grub_strtol() "end" pointers have safer const qualifiers 2020-02-28 12:41:29 +01:00
videotest.c * grub-core/commands/videotest.c: Reduce flickering and draw 6 squares 2013-05-02 14:34:13 +02:00
wildcard.c malloc: Use overflow checking primitives where we do complex allocations 2020-07-29 16:55:47 +02:00
xnu_uuid.c * grub-core/commands/xnu_uuid.c: Remove variable length arrays. 2013-11-12 01:19:34 +01:00