From 0e6199dfa20d4c010bf3ac43e051f9f29c213478 Mon Sep 17 00:00:00 2001
From: Florin Coras <fcoras@cisco.com>
Date: Fri, 17 Apr 2020 20:15:22 +0000
Subject: svm: check if fifo free list index is valid on alloc
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Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Change-Id: Ib85c2f01dc7ec9858f2f88b89e209f989d78c5d9
---
 src/svm/svm_fifo.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/svm/svm_fifo.h')

diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h
index 0a3d17e42ea..e08b3e9dfa5 100644
--- a/src/svm/svm_fifo.h
+++ b/src/svm/svm_fifo.h
@@ -669,6 +669,8 @@ svm_fifo_size (svm_fifo_t * f)
 static inline void
 svm_fifo_set_size (svm_fifo_t * f, u32 size)
 {
+  if (size > (1 << f->fs_hdr->max_log2_chunk_size))
+    return;
   fsh_virtual_mem_update (f->fs_hdr, f->slice_index, (int) f->size - size);
   f->size = size;
 }
-- 
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