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authorMike Christie <michaelc@cs.wisc.edu>2012-01-26 21:13:10 -0600
committerJames Bottomley <JBottomley@Parallels.com>2012-02-19 08:09:00 -0600
commit1304be5fe0efb42b7ec6a50dd8e1a9bce2adae17 (patch)
treebc3d95ab7c1cc5d779df4696aaa138b7cbd89825 /include/scsi/libiscsi.h
parentdf1c7baba1b7b3053950f3845a6575aca47ba9ce (diff)
downloadop-kernel-dev-1304be5fe0efb42b7ec6a50dd8e1a9bce2adae17.zip
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[SCSI] libiscsi_tcp: fix max_r2t manipulation
Problem description from Xi Wang: A large max_r2t could lead to integer overflow in subsequent call to iscsi_tcp_r2tpool_alloc(), allocating a smaller buffer than expected and leading to out-of-bounds write. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'include/scsi/libiscsi.h')
-rw-r--r--include/scsi/libiscsi.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 2e42e9a..6e33386 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -268,7 +268,7 @@ struct iscsi_session {
int lu_reset_timeout;
int tgt_reset_timeout;
int initial_r2t_en;
- unsigned max_r2t;
+ unsigned short max_r2t;
int imm_data_en;
unsigned first_burst;
unsigned max_burst;
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