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migration: fix bad string passed to error_report()

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state->name does not contain a terminating '\0' and you may get:

Machine type received is 'pseries-2.3y�?' and local is 'pseries-2.4'
load of migration failed: Invalid argument

Let's add a precision modifier to fix this.

Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Message-Id: <20160205083201.2201.76109.stgit@bahia.huguette.org>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
Greg Kurz 2016-02-05 09:33:26 +01:00 committed by Amit Shah
parent 1483e0d74d
commit 15d61692da
1 changed files with 2 additions and 2 deletions
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4
migration/savevm.c
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@ -299,8 +299,8 @@ static int configuration_post_load(void *opaque, int version_id)
const char *current_name = MACHINE_GET_CLASS(current_machine)->name;
if (strncmp(state->name, current_name, state->len) != 0) {
error_report("Machine type received is '%s' and local is '%s'",
state->name, current_name);
error_report("Machine type received is '%.*s' and local is '%s'",
(int) state->len, state->name, current_name);
return -EINVAL;
}
return 0;