| Message ID | 20240821065131.1180791-1-sherry.yang@oracle.com |
|---|---|
| State | New |
| Headers | show |
| Series | scsi: lpfc: fix overflow build issue | expand |
Reviewed-by: Justin Tee <justin.tee@broadcom.com>
Thanks looks fine.
Regards,
Justin
On Tue, 20 Aug 2024 23:51:31 -0700, Sherry Yang wrote: > Build failed while enabling "CONFIG_GCOV_KERNEL=y" and > "CONFIG_GCOV_PROFILE_ALL=y" with following error: > > BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c: In function 'lpfc_get_cgnbuf_info': > BUILDSTDERR: ./include/linux/fortify-string.h:114:33: error: '__builtin_memcpy' accessing 18446744073709551615 bytes at offsets 0 and 0 overlaps 9223372036854775807 bytes at offset -9223372036854775808 [-Werror=restrict] > BUILDSTDERR: 114 | #define __underlying_memcpy __builtin_memcpy > BUILDSTDERR: | ^ > BUILDSTDERR: ./include/linux/fortify-string.h:637:9: note: in expansion of macro '__underlying_memcpy' > BUILDSTDERR: 637 | __underlying_##op(p, q, __fortify_size); \ > BUILDSTDERR: | ^~~~~~~~~~~~~ > BUILDSTDERR: ./include/linux/fortify-string.h:682:26: note: in expansion of macro '__fortify_memcpy_chk' > BUILDSTDERR: 682 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ > BUILDSTDERR: | ^~~~~~~~~~~~~~~~~~~~ > BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c:5468:9: note: in expansion of macro 'memcpy' > BUILDSTDERR: 5468 | memcpy(cgn_buff, cp, cinfosz); > BUILDSTDERR: | ^~~~~~ > > [...] Applied to 6.11/scsi-fixes, thanks! [1/1] scsi: lpfc: fix overflow build issue https://git.kernel.org/mkp/scsi/c/3417c9574e36
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 4156419c52c7..4756a3f82531 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -5410,7 +5410,7 @@ lpfc_get_cgnbuf_info(struct bsg_job *job) struct get_cgnbuf_info_req *cgnbuf_req; struct lpfc_cgn_info *cp; uint8_t *cgn_buff; - int size, cinfosz; + size_t size, cinfosz; int rc = 0; if (job->request_len < sizeof(struct fc_bsg_request) +
Build failed while enabling "CONFIG_GCOV_KERNEL=y" and "CONFIG_GCOV_PROFILE_ALL=y" with following error: BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c: In function 'lpfc_get_cgnbuf_info': BUILDSTDERR: ./include/linux/fortify-string.h:114:33: error: '__builtin_memcpy' accessing 18446744073709551615 bytes at offsets 0 and 0 overlaps 9223372036854775807 bytes at offset -9223372036854775808 [-Werror=restrict] BUILDSTDERR: 114 | #define __underlying_memcpy __builtin_memcpy BUILDSTDERR: | ^ BUILDSTDERR: ./include/linux/fortify-string.h:637:9: note: in expansion of macro '__underlying_memcpy' BUILDSTDERR: 637 | __underlying_##op(p, q, __fortify_size); \ BUILDSTDERR: | ^~~~~~~~~~~~~ BUILDSTDERR: ./include/linux/fortify-string.h:682:26: note: in expansion of macro '__fortify_memcpy_chk' BUILDSTDERR: 682 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ BUILDSTDERR: | ^~~~~~~~~~~~~~~~~~~~ BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c:5468:9: note: in expansion of macro 'memcpy' BUILDSTDERR: 5468 | memcpy(cgn_buff, cp, cinfosz); BUILDSTDERR: | ^~~~~~ This happens from the commit 06bb7fc0feee ("kbuild: turn on -Wrestrict by default"). Address this issue by using size_t type. Signed-off-by: Sherry Yang <sherry.yang@oracle.com> --- drivers/scsi/lpfc/lpfc_bsg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)