tree:   https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next
head:   e5fbadd1179cdadeaa44d71a9ec068c5bc100524
commit: 85f5afd4322d294a7eca0d304744a1646113fbd9 [39/40] efi/libstub: Use snprintf with %ls to convert the command line
config: x86_64-defconfig (attached as .config)

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
drivers/firmware/efi/libstub/efi-stub-helper.c:265 efi_convert_cmdline() warn: qualifier 'l' ignored for %s specifier

# https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git/commit/?id=85f5afd4322d294a7eca0d304744a1646113fbd9
git remote add efi https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
git remote update efi
git checkout 85f5afd4322d294a7eca0d304744a1646113fbd9
vim +/l +265 drivers/firmware/efi/libstub/efi-stub-helper.c

c625d1c203941f drivers/firmware/efi/efi-stub-helper.c         H. Peter Anvin 2013-09-20  258  	options_bytes++;	/* NUL termination */
9403e462fb5ffa drivers/firmware/efi/efi-stub-helper.c         Leif Lindholm  2014-04-04  259  
1e45bf7372c48c drivers/firmware/efi/libstub/efi-stub-helper.c Ard Biesheuvel 2020-02-10  260  	status = efi_allocate_pages(options_bytes, &cmdline_addr, max_addr);
5fef3870c572a3 drivers/firmware/efi/efi-stub-helper.c         Roy Franz      2013-09-22  261  	if (status != EFI_SUCCESS)
5fef3870c572a3 drivers/firmware/efi/efi-stub-helper.c         Roy Franz      2013-09-22  262  		return NULL;
5fef3870c572a3 drivers/firmware/efi/efi-stub-helper.c         Roy Franz      2013-09-22  263  
85f5afd4322d29 drivers/firmware/efi/libstub/efi-stub-helper.c Arvind Sankar  2020-05-18  264  	snprintf((char *)cmdline_addr, options_bytes, "%.*ls",
                                                                                                                                                  ^
The "l" doesn't make sense here?

85f5afd4322d29 drivers/firmware/efi/libstub/efi-stub-helper.c Arvind Sankar  2020-05-18 @265  		 options_bytes - 1, options);
5fef3870c572a3 drivers/firmware/efi/efi-stub-helper.c         Roy Franz      2013-09-22  266  
c625d1c203941f drivers/firmware/efi/efi-stub-helper.c         H. Peter Anvin 2013-09-20  267  	*cmd_line_len = options_bytes;
5fef3870c572a3 drivers/firmware/efi/efi-stub-helper.c         Roy Franz      2013-09-22  268  	return (char *)cmdline_addr;
5fef3870c572a3 drivers/firmware/efi/efi-stub-helper.c         Roy Franz      2013-09-22  269  }

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