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| author | Chengfeng Ye <cyeaa@connect.ust.hk> | 2021-11-05 06:36:36 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-18 14:04:27 +0100 |
| commit | 727c812433b6087ddc48e519a614e4fe23c9c5c6 (patch) | |
| tree | 113aa26fa12db1e42250e4163bbdff36c8770d8e /include | |
| parent | 9f0e683e1bd4b59c7866c564dd8dce700d7d5365 (diff) | |
nfc: pn533: Fix double free when pn533_fill_fragment_skbs() fails
[ Upstream commit 9fec40f850658e00a14a7dd9e06f7fbc7e59cc4a ]
skb is already freed by dev_kfree_skb in pn533_fill_fragment_skbs,
but follow error handler branch when pn533_fill_fragment_skbs()
fails, skb is freed again, results in double free issue. Fix this
by not free skb in error path of pn533_fill_fragment_skbs.
Fixes: 963a82e07d4e ("NFC: pn533: Split large Tx frames in chunks")
Fixes: 93ad42020c2d ("NFC: pn533: Target mode Tx fragmentation support")
Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions