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Fix the copy of addresses passed from userland in table replace command.

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The size2 is the maximum userland buffer size (used when the addresses are
copied back to userland).

Obtained from:	pfSense
MFC after:	3 days
Sponsored by:	Rubicon Communications (Netgate)
This commit is contained in:
Luiz Otavio O Souza 2015-08-17 23:03:54 +00:00
parent e462b12755
commit f2fc809dcd
1 changed files with 1 additions and 2 deletions
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3
sys/netpfil/pf/pf_ioctl.c
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@ -2724,8 +2724,7 @@ DIOCCHANGEADDR_error:
error = ENODEV;
break;
}
totlen = (io->pfrio_size + io->pfrio_size2) *
sizeof(struct pfr_addr);
totlen = io->pfrio_size * sizeof(struct pfr_addr);
pfras = malloc(totlen, M_TEMP, M_WAITOK);
error = copyin(io->pfrio_buffer, pfras, totlen);
if (error) {