Re: [syzbot] [usb?] KASAN: slab-use-after-free Read in ep_open
From: syzbot
Date: Mon Aug 17 2026 - 09:45:43 EST
syzbot has bisected this issue to:
commit aa00f67adc2c0d6439f81b5a81ff181377c47a7e
Author: Jens Axboe <axboe@xxxxxxxxx>
Date: Tue Oct 22 19:47:00 2024 +0000
io_uring: add support for fixed wait regions
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10e60679580000
start commit: 9a143525f62b Merge tag 'ata-7.2-rc7' of git://git.kernel.o..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=12e60679580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14e60679580000
kernel config: https://syzkaller.appspot.com/x/.config?x=c44651ea7dd2f307
dashboard link: https://syzkaller.appspot.com/bug?extid=df9e891bf8ea586f846b
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=120defb9580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16323fb9580000
Reported-by: syzbot+df9e891bf8ea586f846b@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: aa00f67adc2c ("io_uring: add support for fixed wait regions")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection