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authorDing Hui <dinghui@sangfor.com.cn>2025-12-08 15:21:10 +0800
committerLeon Romanovsky <leon@kernel.org>2025-12-22 03:56:35 -0500
commit9b68a1cc966bc947d00e4c0df7722d118125aa37 (patch)
tree7eb768c544b1f601f96b72ff700709293030c897 /tools/perf/scripts/python/git@git.tavy.me:linux-stable.git
parentf01765a2361323e78e3d91b1cb1d5527a83c5cf7 (diff)
RDMA/bnxt_re: Fix OOB write in bnxt_re_copy_err_stats()
Commit ef56081d1864 ("RDMA/bnxt_re: RoCE related hardware counters update") added three new counters and placed them after BNXT_RE_OUT_OF_SEQ_ERR. BNXT_RE_OUT_OF_SEQ_ERR acts as a boundary marker for allocating hardware statistics with different num_counters values on chip_gen_p5_p7 devices. As a result, BNXT_RE_NUM_STD_COUNTERS are used when allocating hw_stats, which leads to an out-of-bounds write in bnxt_re_copy_err_stats(). The counters BNXT_RE_REQ_CQE_ERROR, BNXT_RE_RESP_CQE_ERROR, and BNXT_RE_RESP_REMOTE_ACCESS_ERRS are applicable to generic hardware, not only p5/p7 devices. Fix this by moving these counters before BNXT_RE_OUT_OF_SEQ_ERR so they are included in the generic counter set. Fixes: ef56081d1864 ("RDMA/bnxt_re: RoCE related hardware counters update") Reported-by: Yingying Zheng <zhengyingying@sangfor.com.cn> Signed-off-by: Ding Hui <dinghui@sangfor.com.cn> Link: https://patch.msgid.link/20251208072110.28874-1-dinghui@sangfor.com.cn Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Tested-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
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