Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_send_cmd

From: syzbot
Date: Wed Jan 15 2025 - 04:11:21 EST


Hello,

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

Reported-by: syzbot+31c2f641b850a348a734@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+31c2f641b850a348a734@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: a9b74d57 Bluetooth: hci_core: sync hci_rx_work and hci..
git tree: https://github.com/ea1davis/linux bthci/syz
console output: https://syzkaller.appspot.com/x/log.txt?x=133057c4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=82d76f5a1a8b5c36
dashboard link: https://syzkaller.appspot.com/bug?extid=31c2f641b850a348a734
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.