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

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: 1138d, last: 1138d

▶ ▼ 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	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KASAN: slab-out-of-bounds Read in riscv_intc_irq (2) riscv				3	490d	543d	0/26	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.