2024-04-29 18:37:16

by syzbot

[permalink] [raw]
Subject: Re: [syzbot] [bluetooth?] possible deadlock in hci_dev_do_close (2)

syzbot has bisected this issue to:

commit 37dd04e4d59487c928bf3561e4bd3a045762eabc
Author: Sungwoo Kim <[email protected]>
Date: Thu Apr 25 04:11:28 2024 +0000

Bluetooth: HCI: fix slab-use-after-free in cmd_sync_work

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14457fd8980000
start commit: bb7a2467e6be Add linux-next specific files for 20240426
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=16457fd8980000
console output: https://syzkaller.appspot.com/x/log.txt?x=12457fd8980000
kernel config: https://syzkaller.appspot.com/x/.config?x=5c6a0288262dd108
dashboard link: https://syzkaller.appspot.com/bug?extid=c55f7bc8d4809b2bad59
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1590bcf8980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1349ee9b180000

Reported-by: [email protected]
Fixes: 37dd04e4d594 ("Bluetooth: HCI: fix slab-use-after-free in cmd_sync_work")

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