KASAN: slab-out-of-bounds Read in riscv_intc_irq

Status: auto-closed as invalid on 2021/07/12 08:18
Subsystems: riscv
[Documentation on labels]
Reported-by: syzbot+005654dd9b8f26bd4c07@syzkaller.appspotmail.com
First crash: 1996d, last: 1996d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] KASAN: slab-out-of-bounds Read in riscv_intc_irq 5 (6) 2021/03/18 15:00
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: slab-out-of-bounds Read in riscv_intc_irq (2) riscv 19 3 1349d 1401d 0/29 auto-obsoleted due to no activity on 2023/03/21 09:58

Sample crash report:
==================================================================
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:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/03/14 08:17 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 0d7588ab9ef9 4a003785 .config console log report info ci-qemu2-riscv64 KASAN: slab-out-of-bounds Read in riscv_intc_irq
* Struck through repros no longer work on HEAD.