Re: [PATCH] riscv: Bump COMMAND_LINE_SIZE value to 1024
From: Palmer Dabbelt <palmer@dabbelt.com>
Date: 2021-03-30 05:08:53
Also in:
linux-riscv, lkml
On Tue, 16 Mar 2021 12:34:20 PDT (-0700), alex@ghiti.fr wrote:
quoted hunk ↗ jump to hunk
Increase COMMAND_LINE_SIZE as the current default value is too low for syzbot kernel command line. Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> --- arch/riscv/include/uapi/asm/setup.h | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 arch/riscv/include/uapi/asm/setup.hdiff --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.