[PATCH] bfad_bsg: Buffer overflow decrement loop counter

From: Denis Arefev
Date: Wed Aug 17 2022 - 03:20:53 EST


Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Denis Arefev <arefev@xxxxxxxxx>
---
drivers/scsi/bfa/bfad_bsg.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index fc515424ca88..2981f49215e5 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -98,9 +98,9 @@ bfad_iocmd_ioc_get_info(struct bfad_s *bfad, void *cmd)

/* set adapter hw path */
strcpy(iocmd->adapter_hwpath, bfad->pci_name);
- for (i = 0; iocmd->adapter_hwpath[i] != ':' && i < BFA_STRING_32; i++)
+ for (i = 0; iocmd->adapter_hwpath[i] != ':' && i < BFA_STRING_32-2; i++)
;
- for (; iocmd->adapter_hwpath[++i] != ':' && i < BFA_STRING_32; )
+ for (; iocmd->adapter_hwpath[++i] != ':' && i < BFA_STRING_32-1; )
;
iocmd->adapter_hwpath[i] = '\0';
iocmd->status = BFA_STATUS_OK;
--
2.25.1