Re: [PATCH] riscv: Bump COMMAND_LINE_SIZE value to 1024
From: Palmer Dabbelt
Date: Tue Mar 30 2021 - 01:08:53 EST
On Tue, 16 Mar 2021 12:34:20 PDT (-0700), alex@xxxxxxxx wrote:
Increase COMMAND_LINE_SIZE as the current default value is too low
for syzbot kernel command line.
Reported-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Signed-off-by: Alexandre Ghiti <alex@xxxxxxxx>
---
arch/riscv/include/uapi/asm/setup.h | 8 ++++++++
1 file changed, 8 insertions(+)
create mode 100644 arch/riscv/include/uapi/asm/setup.h
diff --git a/arch/riscv/include/uapi/asm/setup.h b/arch/riscv/include/uapi/asm/setup.h
new file mode 100644
index 000000000000..66b13a522880
--- /dev/null
+++ b/arch/riscv/include/uapi/asm/setup.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+
+#ifndef _UAPI_ASM_RISCV_SETUP_H
+#define _UAPI_ASM_RISCV_SETUP_H
+
+#define COMMAND_LINE_SIZE 1024
+
+#endif /* _UAPI_ASM_RISCV_SETUP_H */
I put this on fixes, but it seemes like this should really be a Kconfig
enttry. Either way, ours was quite a bit smaller than most
architectures and it's great that syzbot has started to find bugs, so
I'd rather get this in sooner.