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__return_syscall(): verify response structure

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Balazs Gerofi
2017-06-07 16:57:03 +09:00
parent 446ef0465b
commit 46b48ac59b
1 changed files with 6 additions and 0 deletions
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6
executer/kernel/mcctrl/syscall.c
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@@ -1446,6 +1446,12 @@ void __return_syscall(ihk_os_t os, struct ikc_scd_packet *packet,
res = ihk_device_map_virtual(ihk_os_to_dev(os), res = ihk_device_map_virtual(ihk_os_to_dev(os),
phys, sizeof(*res), NULL, 0); phys, sizeof(*res), NULL, 0);
if (!res) {
printk("%s: ERROR: invalid response structure address\n",
__FUNCTION__);
return;
}
/* Map response structure and notify offloading thread */ /* Map response structure and notify offloading thread */
res->ret = ret; res->ret = ret;
res->stid = stid; res->stid = stid;