wifi: rtlwifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()

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[ Upstream commit dd39edb445 ]

TID getting from ieee80211_get_tid() might be out of range of array size
of sta_entry->tids[], so check TID is less than MAX_TID_COUNT. Othwerwise,
UBSAN warn:

 UBSAN: array-index-out-of-bounds in drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:514:30
 index 10 is out of range for type 'rtl_tid_data [9]'

Fixes: 8ca4cdef93 ("wifi: rtlwifi: rtl8192cu: Fix TX aggregation")
Signed-off-by: Morning Star <alexbestoso@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/1764232628-13625-1-git-send-email-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Morning Star 2025-11-27 16:37:08 +08:00 • committed by Greg Kroah-Hartman

parent e5c129a055

commit 90a15ff324

1 changed files with 2 additions and 1 deletions

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drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c

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