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Message-ID: <202412081614.5uel8F6W-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7503345ac5f5e82fd9a36d6e6b447c016376403a commit: 247576bf624a200b9d4dba6126e760af0d5ebe0e s390/ipl: Do not accept z/VM CP diag X'008' cmds longer than max length date: 7 months ago config: s390-randconfig-r071-20241208 (https://download.01.org/0day-ci/archive/20241208/202412081614.5uel8F6W-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 14.2.0 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202412081614.5uel8F6W-lkp@intel.com/ smatch warnings: arch/s390/kernel/ipl.c:1973 sys_vmcmd_on_reboot_store() warn: unsigned 'len' is never less than zero. arch/s390/kernel/ipl.c:1974 sys_vmcmd_on_panic_store() warn: unsigned 'len' is never less than zero. arch/s390/kernel/ipl.c:1975 sys_vmcmd_on_halt_store() warn: unsigned 'len' is never less than zero. arch/s390/kernel/ipl.c:1976 sys_vmcmd_on_poff_store() warn: unsigned 'len' is never less than zero. arch/s390/kernel/ipl.c:1977 sys_vmcmd_on_restart_store() warn: unsigned 'len' is never less than zero. vim +/len +1973 arch/s390/kernel/ipl.c 99ca4e582d4a408 Michael Holzheu 2008-01-26 1972 99ca4e582d4a408 Michael Holzheu 2008-01-26 @1973 DEFINE_IPL_ATTR_STR_RW(vmcmd, on_reboot, "%s\n", "%s\n", vmcmd_on_reboot); 99ca4e582d4a408 Michael Holzheu 2008-01-26 @1974 DEFINE_IPL_ATTR_STR_RW(vmcmd, on_panic, "%s\n", "%s\n", vmcmd_on_panic); 99ca4e582d4a408 Michael Holzheu 2008-01-26 @1975 DEFINE_IPL_ATTR_STR_RW(vmcmd, on_halt, "%s\n", "%s\n", vmcmd_on_halt); 99ca4e582d4a408 Michael Holzheu 2008-01-26 @1976 DEFINE_IPL_ATTR_STR_RW(vmcmd, on_poff, "%s\n", "%s\n", vmcmd_on_poff); 7dd6b3343fdc190 Michael Holzheu 2011-08-03 @1977 DEFINE_IPL_ATTR_STR_RW(vmcmd, on_restart, "%s\n", "%s\n", vmcmd_on_restart); 99ca4e582d4a408 Michael Holzheu 2008-01-26 1978 :::::: The code at line 1973 was first introduced by commit :::::: 99ca4e582d4a4088969681efff97be44d98421a1 [S390] kernel: Shutdown Actions Interface :::::: TO: Michael Holzheu :::::: CC: Martin Schwidefsky -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki