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| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-12-27 15:46:00 +0100 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-12-31 14:33:07 +0100 |
| commit | 2a68cd492e91692f33425d02e7a0dcb24e06efc9 (patch) | |
| tree | e5f361ab941555fbc235457a29958b694789118e | |
| parent | 97d36f069d3362cd09b481fba94ee1de01a1f51b (diff) | |
| download | u-boot-2a68cd492e91692f33425d02e7a0dcb24e06efc9.zip u-boot-2a68cd492e91692f33425d02e7a0dcb24e06efc9.tar.gz u-boot-2a68cd492e91692f33425d02e7a0dcb24e06efc9.tar.bz2 | |
efi_loader: avoid invalid free
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: 0ad64007feb9 ("efi_loader: set load options in boot manager")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
| -rw-r--r-- | lib/efi_loader/efi_bootmgr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c index 61dc72a..d3be2f9 100644 --- a/lib/efi_loader/efi_bootmgr.c +++ b/lib/efi_loader/efi_bootmgr.c @@ -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: |