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efi_loader: avoid invalid free

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load_options passed from do_efibootmgr() to do_bootefi_exec() may contain
invalid data from the stack which will lead to an invalid free().

Fixes: 0ad64007fe ("efi_loader: set load options in boot manager")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-12-27 15:46:00 +01:00
parent 9abb01af74
commit e434311dba
1 changed files with 1 additions and 1 deletions
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2
lib/efi_loader/efi_bootmgr.c
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@ -275,7 +275,7 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle,
memcpy(*load_options, lo.optional_data, size);
ret = efi_set_load_options(*handle, size, *load_options);
} else {
load_options = NULL;
*load_options = NULL;
}
error: