Re: KASAN: slab-out-of-bounds Read in qrtr_endpoint_post (2)

From: syzbot
Date: Fri Jul 31 2020 - 16:27:09 EST


syzbot has bisected this issue to:

commit e42671084361302141a09284fde9bbc14fdd16bf
Author: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Date: Thu May 7 12:53:06 2020 +0000

net: qrtr: Do not depend on ARCH_QCOM

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12a8076c900000
start commit: 83bdc727 random32: remove net_rand_state from the latent e..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=11a8076c900000
console output: https://syzkaller.appspot.com/x/log.txt?x=16a8076c900000
kernel config: https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55
dashboard link: https://syzkaller.appspot.com/bug?extid=1917d778024161609247
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ac9b60900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14256c5c900000

Reported-by: syzbot+1917d778024161609247@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e42671084361 ("net: qrtr: Do not depend on ARCH_QCOM")

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