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| author |   Edward Cree <ecree.xilinx@gmail.com> | 2022-11-21 21:37:08 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-11-23 13:47:51 +0000 |
| commit | e80bd08fd75a644e2337fb535c1afdb6417357ff (patch) | |
| tree | 72ed9cb84c184f0cbf2269221d93477b436c3f27 /net/core/of_net.c | |
| parent | ppp: associate skb with a device at tx (diff) | |
| download | linux-rng-e80bd08fd75a644e2337fb535c1afdb6417357ff.tar.xz linux-rng-e80bd08fd75a644e2337fb535c1afdb6417357ff.zip | |
sfc: ensure type is valid before updating seen_gen
In the case of invalid or corrupted v2 counter update packets,
efx_tc_rx_version_2() returns EFX_TC_COUNTER_TYPE_MAX. In this case
we should not attempt to update generation counts as this will write
beyond the end of the seen_gen array.
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527356 ("Memory - illegal accesses")
Fixes: 25730d8be5d8 ("sfc: add extra RX channel to receive MAE counter updates on ef100")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/of_net.c')
0 files changed, 0 insertions, 0 deletions