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s390/ipl: fix off-by-one in update_machine_ipl_properties()

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In update_machine_ipl_properties() the array ascii_loadparm needs to
hold the 8 char loadparm and a string terminating zero char.

Let's increase the size of ascii_loadparm accordingly.

Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Fixes: 0a01e082a428 ("s390/ipl: sync back loadparm")
Fixes: Coverity CID 1421966
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200320143101.41764-1-pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Halil Pasic 2020-03-20 15:31:01 +01:00 committed by Cornelia Huck
parent f58f084e71
commit 7722837369
1 changed files with 1 additions and 1 deletions
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2
hw/s390x/ipl.c
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@ -546,7 +546,7 @@ static void update_machine_ipl_properties(IplParameterBlock *iplb)
/* Sync loadparm */
if (iplb->flags & DIAG308_FLAGS_LP_VALID) {
uint8_t *ebcdic_loadparm = iplb->loadparm;
char ascii_loadparm[8];
char ascii_loadparm[9];
int i;
for (i = 0; i < 8 && ebcdic_loadparm[i]; i++) {