e23704ad48
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
19 lines
685 B
Diff
19 lines
685 B
Diff
mpiutil: Fix NULL pointer dereference in case of failed alloc
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Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
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diff --git a/grub-core/lib/libgcrypt/mpi/mpiutil.c b/grub-core/lib/libgcrypt/mpi/mpiutil.c
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index 3a372374f..dc53db09d 100644
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--- a/grub-core/lib/libgcrypt-grub/mpi/mpiutil.c
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+++ b/grub-core/lib/libgcrypt-grub/mpi/mpiutil.c
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@@ -432,6 +432,9 @@ _gcry_mpi_alloc_like( gcry_mpi_t a )
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int n = (a->sign+7)/8;
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void *p = _gcry_is_secure(a->d)? xtrymalloc_secure (n)
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: xtrymalloc (n);
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+ if ( !p ) {
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+ _gcry_fatal_error (GPG_ERR_ENOMEM, NULL);
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+ }
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memcpy( p, a->d, n );
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b = mpi_set_opaque( NULL, p, a->sign );
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}
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