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Date: Mon, 29 Apr 2024 11:37:03 -0700
From: syzbot <syzbot+c55f7bc8d4809b2bad59@...kaller.appspotmail.com>
To: hdanton@...a.com, iam@...g-woo.kim, johan.hedberg@...il.com,
linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
luiz.dentz@...il.com, luiz.von.dentz@...el.com, marcel@...tmann.org,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bluetooth?] possible deadlock in hci_dev_do_close (2)
syzbot has bisected this issue to:
commit 37dd04e4d59487c928bf3561e4bd3a045762eabc
Author: Sungwoo Kim <iam@...g-woo.kim>
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: syzbot+c55f7bc8d4809b2bad59@...kaller.appspotmail.com
Fixes: 37dd04e4d594 ("Bluetooth: HCI: fix slab-use-after-free in cmd_sync_work")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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