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4638faac03
sock_efree() releases the sock refcnt, if we don't hold this refcnt
when setting skb->destructor to it, the refcnt would not be balanced.
This leads to several bug reports from syzbot.
I have checked other users of sock_efree(), all of them hold the
sock refcnt.
Fixes:
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.. | ||
af_netrom.c | ||
Makefile | ||
nr_dev.c | ||
nr_in.c | ||
nr_loopback.c | ||
nr_out.c | ||
nr_route.c | ||
nr_subr.c | ||
nr_timer.c | ||
sysctl_net_netrom.c |