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ad598a48fe
commit 42d84c8490f9f0931786f1623191fcab397c3d64 upstream.
Doing so, we save one call to get data we already have in the struct.
Also, since there is no guarantee that getname use sockaddr_ll
parameter beyond its size, we add a little bit of security here.
It should do not do beyond MAX_ADDR_LEN, but syzbot found that
ax25_getname writes more (72 bytes, the size of full_sockaddr_ax25,
versus 20 + 32 bytes of sockaddr_ll + MAX_ADDR_LEN in syzbot repro).
Fixes:
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.. | ||
Kconfig | ||
Kconfig.vringh | ||
Makefile | ||
net.c | ||
scsi.c | ||
test.c | ||
test.h | ||
vhost.c | ||
vhost.h | ||
vringh.c | ||
vsock.c |