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+005654dd9b8f26bd4...@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: --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.