net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()

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The loops in 'qede_tpa_cont()' and 'qede_tpa_end()', iterate
over 'cqe->len_list[]' using only a zero-length terminator as
the stopping condition. If the terminator was missing or
malformed, the loop could run past the end of the fixed-size array.

Add an explicit bound check using ARRAY_SIZE() in both loops to prevent
a potential out-of-bounds access.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 55482edc25 ("qede: Add slowpath/fastpath support and enable hardware GRO")
Signed-off-by: Pavel Zhigulin <Pavel.Zhigulin@kaspersky.com>
Link: https://patch.msgid.link/20251113112757.4166625-1-Pavel.Zhigulin@kaspersky.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Pavel Zhigulin 2025-11-13 14:27:56 +03:00 • committed by Paolo Abeni

parent 8e0a754b08

commit 896f1a2493

1 changed files with 3 additions and 2 deletions

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drivers/net/ethernet/qlogic/qede/qede_fp.c

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