Messages in this thread | | | Date | Thu, 11 Jan 2024 17:27:44 +0100 | From | Petr Mladek <> | Subject | Re: include/linux/printk.h:434:44: warning: '%s' directive argument is null |
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On Thu 2024-01-11 20:29:05, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: de927f6c0b07d9e698416c5b287c521b07694cac > commit: 337015573718b161891a3473d25f59273f2e626b printk: Userspace format indexing support > date: 2 years, 6 months ago > config: x86_64-randconfig-002-20240105 (https://download.01.org/0day-ci/archive/20240111/202401112002.AOjwMNM0-lkp@intel.com/config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240111/202401112002.AOjwMNM0-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@intel.com> > | Closes: https://lore.kernel.org/oe-kbuild-all/202401112002.AOjwMNM0-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > In file included from include/linux/kernel.h:19, > from arch/x86/include/asm/percpu.h:27, > from arch/x86/include/asm/current.h:6, > from include/linux/sched.h:12, > from include/linux/blkdev.h:5, > from drivers/scsi/scsi_devinfo.c:3: > drivers/scsi/scsi_devinfo.c: In function 'scsi_dev_info_list_add_str': > >> include/linux/printk.h:434:44: warning: '%s' directive argument is null [-Wformat-overflow=] > 434 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) > | ^ > include/linux/printk.h:430:3: note: in definition of macro 'printk_index_wrap' > 430 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~~~~ > drivers/scsi/scsi_devinfo.c:551:4: note: in expansion of macro 'printk' > 551 | printk(KERN_ERR "%s: bad dev info string '%s' '%s'" > | ^~~~~~ > drivers/scsi/scsi_devinfo.c:552:14: note: format string is defined here > 552 | " '%s'\n", __func__, vendor, model, > | ^~
This should get fixed by https://lore.kernel.org/all/20240111162419.12406-1-pmladek@suse.com/
Best Regards, Petr
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