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

From: syzbot
Date: Mon May 26 2025 - 05:02:22 EST


Hello,

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

Reported-by: syzbot+0a7039d5d9986ff4ecec@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+0a7039d5d9986ff4ecec@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 0ff41df1 Linux 6.15
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=10e25170580000
kernel config: https://syzkaller.appspot.com/x/.config?x=2fc22398e1fbdb58
dashboard link: https://syzkaller.appspot.com/bug?extid=0a7039d5d9986ff4ecec
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
userspace arch: arm64
patch: https://syzkaller.appspot.com/x/patch.diff?x=17561df4580000

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