diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-16 10:18:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-16 10:18:49 +0200 |
| commit | fe2017ba24f318e5feef487b7552e40a3de2d50a (patch) | |
| tree | 59f3695ecd07645910210156fc8255da99aba6f7 /net/packet/af_packet.c | |
| parent | dd976a97d15b47656991e185a94ef42a0fa5cfd4 (diff) | |
| parent | 58720809f52779dc0f08e53e54b014209d13eebb (diff) | |
Merge 6.6-rc6 into tty-next
We need the tty/serial fixes in here as well for testing, and this
resolves merge conflicts in:
drivers/tty/serial/serial_core.c
as reported in linux-next
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/packet/af_packet.c')
| -rw-r--r-- | net/packet/af_packet.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 8f97648d652f..a84e00b5904b 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -3607,7 +3607,12 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr, if (dev) { sll->sll_hatype = dev->type; sll->sll_halen = dev->addr_len; - memcpy(sll->sll_addr_flex, dev->dev_addr, dev->addr_len); + + /* Let __fortify_memcpy_chk() know the actual buffer size. */ + memcpy(((struct sockaddr_storage *)sll)->__data + + offsetof(struct sockaddr_ll, sll_addr) - + offsetofend(struct sockaddr_ll, sll_family), + dev->dev_addr, dev->addr_len); } else { sll->sll_hatype = 0; /* Bad: we have no ARPHRD_UNSPEC */ sll->sll_halen = 0; |