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(parent: 04ba6b7) | patch
net/tls: fix encryption error checking
authorVadim Fedorenko <vfedorenko@novek.ru>
Wed, 20 May 2020 08:41:43 +0000 (11:41 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 May 2020 00:20:06 +0000 (17:20 -0700)
commita7bff11f6f9afa87c25711db8050c9b5324db0e2
treebb6a3e2bd6a20d7a822094a4998e9c34c897f206tree | snapshot
parent04ba6b7dd8cadeb8ffdc4cba144024c3dad6a6accommit | diff
net/tls: fix encryption error checking

bpf_exec_tx_verdict() can return negative value for copied
variable. In that case this value will be pushed back to caller
and the real error code will be lost. Fix it using signed type and
checking for positive value.

Fixes: d10523d0b3d7 ("net/tls: free the record on encryption error")
Fixes: d3b18ad31f93 ("tls: add bpf support to sk_msg handling")
Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/tls/tls_sw.c diff | blob | history
Domain: System / Kernel;