[PATCH syzbot] Bluetooth: Fix slab-out-of-bounds read in hci_le_direct_adv_report_evt()

[Peilin Ye]

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-4.14.y

Hi all,

Rebased on commit 3f2ecb86cb90 ("Linux 4.14.212"), linux-4.14.y.
Also applies to commit af3457a5c65c ("Linux 4.9.248"), linux-4.9.y and
commit f299fb634f3b ("Linux 4.4.248"), linux-4.4.y.

Dear syzbot, please test this patch once again. I'll
s/Reported-by:/Reported-and-tested-by:/ if you are happy about it...

Thanks,
Peilin Ye

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+24ebd6...@syzkaller.appspotmail.com

Tested on:

commit: 3f2ecb86 Linux 4.14.212
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-4.14.y
kernel config: https://syzkaller.appspot.com/x/.config?x=ff316bbfeb79e87a
dashboard link: https://syzkaller.appspot.com/bug?extid=24ebd650e20bd263ca01
compiler: gcc (GCC) 10.1.0-syz 20200507
patch: https://syzkaller.appspot.com/x/patch.diff?x=17ee3c47500000

Note: testing is done by a robot and is best-effort only.