Messages in this thread | | | Date | Wed, 18 Oct 2023 19:21:14 +0800 | From | kernel test robot <> | Subject | drivers/scsi/fnic/fnic_scsi.c:98:38: warning: array subscript -1 is outside array bounds of 'struct scsi_cmnd[23529010298098917]' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 06dc10eae55b5ceabfef287a7e5f16ceea204aa0 commit: 514f0c400bde6b62405467daaf2a0a86bcf7794b scsi: fnic: Fix sg_reset success path date: 3 weeks ago config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231018/202310181947.fzMfU0gi-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231018/202310181947.fzMfU0gi-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/202310181947.fzMfU0gi-lkp@intel.com/
All warnings (new ones prefixed by >>):
In function 'fnic_io_lock_hash', inlined from 'fnic_fcpio_itmf_cmpl_handler' at drivers/scsi/fnic/fnic_scsi.c:1086:13: >> drivers/scsi/fnic/fnic_scsi.c:98:38: warning: array subscript -1 is outside array bounds of 'struct scsi_cmnd[23529010298098917]' [-Warray-bounds] 98 | u32 hash = scsi_cmd_to_rq(sc)->tag & (FNIC_IO_LOCKS - 1); | ~~~~~~~~~~~~~~~~~~^~~~~ >> drivers/scsi/fnic/fnic_scsi.c:98:38: warning: array subscript -1 is outside array bounds of 'struct scsi_cmnd[23529010298098917]' [-Warray-bounds] >> drivers/scsi/fnic/fnic_scsi.c:98:38: warning: array subscript -1 is outside array bounds of 'struct scsi_cmnd[23529010298098917]' [-Warray-bounds] >> drivers/scsi/fnic/fnic_scsi.c:98:38: warning: array subscript -1 is outside array bounds of 'struct scsi_cmnd[23529010298098917]' [-Warray-bounds]
vim +98 drivers/scsi/fnic/fnic_scsi.c
5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 94 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 95 static inline spinlock_t *fnic_io_lock_hash(struct fnic *fnic, 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 96 struct scsi_cmnd *sc) 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 97 { e1c9f0cfac4f2e Bart Van Assche 2021-08-09 @98 u32 hash = scsi_cmd_to_rq(sc)->tag & (FNIC_IO_LOCKS - 1); 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 99 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 100 return &fnic->io_req_lock[hash]; 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 101 } 5df6d737dd4b0f Abhijeet Joglekar 2009-04-17 102
:::::: The code at line 98 was first introduced by commit :::::: e1c9f0cfac4f2ed2bc6e89f2f4061dcf1538d4cd scsi: fnic: Use scsi_cmd_to_rq() instead of scsi_cmnd.request
:::::: TO: Bart Van Assche <bvanassche@acm.org> :::::: CC: Martin K. Petersen <martin.petersen@oracle.com>
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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