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On 2022/11/21 19:11, Denis Arefev wrote:
Date: Mon, 21 Nov 2022 13:29:03 +0300
Subject: [PATCH] scsi:bfa: Eliminated buffer overflow
Buffer 'cmd->adapter_hwpath' of size 32 accessed at
bfad_bsg.c:101:103 can overflow, since its index 'i'
can have value 32 that is out of range.
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 be8dfbe13e90..78615ffc62ef 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;
