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authorJakub Kicinski <kuba@kernel.org>2021-08-19 18:09:18 -0700
committerJakub Kicinski <kuba@kernel.org>2021-08-19 18:09:18 -0700
commitf444fea7896dbc267249d27f604082a51b8efca2 (patch)
treed72e809d28ff7a1cb02f648c858d106de1be859d /drivers/net/hamradio
parent9e5f10fe577be7974c721c0c2050fa6c967d4565 (diff)
parentf87d64319e6f980c82acfc9b95ed523d053fb7ac (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/ptp/Kconfig: 55c8fca1dae1 ("ptp_pch: Restore dependency on PCI") e5f31552674e ("ethernet: fix PTP_1588_CLOCK dependencies") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/hamradio')
-rw-r--r--drivers/net/hamradio/6pack.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index fcf3af76b6d7..8fe8887d506a 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -827,6 +827,12 @@ static void decode_data(struct sixpack *sp, unsigned char inbyte)
return;
}
+ if (sp->rx_count_cooked + 2 >= sizeof(sp->cooked_buf)) {
+ pr_err("6pack: cooked buffer overrun, data loss\n");
+ sp->rx_count = 0;
+ return;
+ }
+
buf = sp->raw_buf;
sp->cooked_buf[sp->rx_count_cooked++] =
buf[0] | ((buf[1] << 2) & 0xc0);