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Bluetooth: btintel: Fix null ptr deref in btintel_read_version
authorEdward Adam Davis <eadavis@qq.com>
Thu, 18 Jan 2024 04:40:34 +0000 (12:40 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 13 Apr 2024 11:07:33 +0000 (13:07 +0200)
commitffdca0a62abaf8c41d8d9ea132000fd808de329b
tree4c994b4e6108eb9b6f6a983703033ea36b38764atree
parenta2e6bffc0388526ed10406040279a693d62b36eccommit | diff
Bluetooth: btintel: Fix null ptr deref in btintel_read_version

[ Upstream commit b79e040910101b020931ba0c9a6b77e81ab7f645 ]

If hci_cmd_sync_complete() is triggered and skb is NULL, then
hdev->req_skb is NULL, which will cause this issue.

Reported-and-tested-by: syzbot+830d9e3fa61968246abd@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/bluetooth/btintel.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git