From: syzbot <syzbot+005654dd9b8f26bd4c07@syzkaller.appspotmail.com>
To: aou@eecs.berkeley.edu, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org, maz@kernel.org,
palmer@dabbelt.com, paul.walmsley@sifive.com,
syzkaller-bugs@googlegroups.com, tglx@linutronix.de
Subject: [syzbot] KASAN: slab-out-of-bounds Read in riscv_intc_irq
Date: Sun, 14 Mar 2021 03:14:17 -0700 [thread overview]
Message-ID: <00000000000056b18b05bd7c6511@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 0d7588ab riscv: process: Fix no prototype for arch_dup_tas..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes
console output: https://syzkaller.appspot.com/x/log.txt?x=15a35756d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=81c0b708b31626cc
dashboard link: https://syzkaller.appspot.com/bug?extid=005654dd9b8f26bd4c07
userspace arch: riscv64
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+005654dd9b8f26bd4c07@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: slab-out-of-bounds in riscv_intc_irq+0x24/0xcc drivers/irqchip/irq-riscv-intc.c:24
Read of size 8 at addr ffffffe00c963bd0 by task kworker/1:1/4388
CPU: 1 PID: 4388 Comm: kworker/1:1 Not tainted 5.12.0-rc2-syzkaller-00467-g0d7588ab9ef9 #0
Hardware name: riscv-virtio,qemu (DT)
Workqueue: events nsim_dev_trap_report_work
Call Trace:
[<ffffffe0000096c0>] walk_stackframe+0x0/0x23c arch/riscv/kernel/traps.c:201
Allocated by task 76347056:
(stack is not available)
Last potentially related work creation:
---
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next reply other threads:[~2021-03-14 10:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-14 10:14 syzbot [this message]
2021-03-14 10:47 ` Dmitry Vyukov
2021-03-18 12:21 ` Kefeng Wang
2021-03-18 14:11 ` Dmitry Vyukov
2021-03-18 14:49 ` Kefeng Wang
2021-03-18 15:00 ` Dmitry Vyukov
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