Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in skb_queue_purge_reason (2)

syzbot
2025-02-10T11:26:03Z

syzbot has bisected this issue to:

commit c411c62cc13319533b1861e00cedc4883c3bc1bb
Author: Arseniy Krasnov <avkrasnov@salutedevices.com>
Date: Thu Jan 30 18:43:26 2025 +0000

Bluetooth: hci_uart: fix race during initialization

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=116cebdf980000
start commit: 40b8e93e17bf Add linux-next specific files for 20250204
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=136cebdf980000
console output: https://syzkaller.appspot.com/x/log.txt?x=156cebdf980000
kernel config: https://syzkaller.appspot.com/x/.config?x=ec880188a87c6aad
dashboard link: https://syzkaller.appspot.com/bug?extid=683f8cb11b94b1824c77
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10b7eeb0580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12f74f64580000

Reported-by: syzbot+683f8cb11b94b1824c77@syzkaller.appspotmail.com
Fixes: c411c62cc133 ("Bluetooth: hci_uart: fix race during initialization")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection