bianbu-linux-6.6/drivers/net/wireless/broadcom/brcm80211
Juerg Haefliger 4fed494abc wifi: brcmfmac: Replace 1-element arrays with flexible arrays
Since commit 2d47c6956a ("ubsan: Tighten UBSAN_BOUNDS on GCC"),
UBSAN_BOUNDS no longer pretends 1-element arrays are unbounded. Walking
'element' and 'channel_list' will trigger warnings, so make them proper
flexible arrays.

False positive warnings were:

  UBSAN: array-index-out-of-bounds in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:6984:20
  index 1 is out of range for type '__le32 [1]'

  UBSAN: array-index-out-of-bounds in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:1126:27
  index 1 is out of range for type '__le16 [1]'

for these lines of code:

  6884  ch.chspec = (u16)le32_to_cpu(list->element[i]);

  1126  params_le->channel_list[i] = cpu_to_le16(chanspec);

Cc: stable@vger.kernel.org # 6.5+
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230914070227.12028-1-juerg.haefliger@canonical.com
2023-09-18 16:20:21 +03:00
..
brcmfmac wifi: brcmfmac: Replace 1-element arrays with flexible arrays 2023-09-18 16:20:21 +03:00
brcmsmac wifi: brcmsmac: cleanup SCB-related data types 2023-08-02 13:11:07 +03:00
brcmutil wifi: brcmutil: use helper function pktq_empty() instead of open code 2023-06-01 16:14:43 +03:00
include wifi: brcmfmac: pcie: Add IDs/properties for BCM4387 2023-02-27 16:59:35 +02:00
Kconfig brcmsmac: rework LED dependencies 2021-12-08 20:17:06 +02:00
Makefile brcmfmac: switch source files to using SPDX license identifier 2019-05-28 15:24:12 +03:00