Messages in this thread Patch in this message | | | From | Ben Hutchings <> | Date | Fri, 24 Apr 2020 00:05:07 +0100 | Subject | [PATCH 3.16 080/245] scsi: iscsi: qla4xxx: fix double free in probe |
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3.16.83-rc1 review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter <dan.carpenter@oracle.com>
commit fee92f25777789d73e1936b91472e9c4644457c8 upstream.
On this error path we call qla4xxx_mem_free() and then the caller also calls qla4xxx_free_adapter() which calls qla4xxx_mem_free(). It leads to a couple double frees:
drivers/scsi/qla4xxx/ql4_os.c:8856 qla4xxx_probe_adapter() warn: 'ha->chap_dma_pool' double freed drivers/scsi/qla4xxx/ql4_os.c:8856 qla4xxx_probe_adapter() warn: 'ha->fw_ddb_dma_pool' double freed
Fixes: afaf5a2d341d ("[SCSI] Initial Commit of qla4xxx") Link: https://lore.kernel.org/r/20191203094421.hw7ex7qr3j2rbsmx@kili.mountain Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/scsi/qla4xxx/ql4_os.c | 1 - 1 file changed, 1 deletion(-)
--- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -4269,7 +4269,6 @@ static int qla4xxx_mem_alloc(struct scsi return QLA_SUCCESS; mem_alloc_error_exit: - qla4xxx_mem_free(ha); return QLA_ERROR; }
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