This patchset addresses reports sent by Colin King to the linux-scsi list in 20210311 based on coverity reports. There were also similar reports from Dan Carpenter the following day. Plus syzbot (KASAN) made a double free report. These were due to a 45 part patchset: "sg: add v4 interface" applied to 5.13/scsi-staging recently. Patches 1, 2 and 4 address those concerns. Colin King sent a patch titled: "[PATCH][next] scsi: sg: Fix use of pointer sfp after it has been kfree'd" [linux-scsi 20210311] which should be applied. Dan Carpenter sent a patch titled: "Re: [PATCH] scsi: sg: Fix a warning message" [linux-scsi 20210312] regarding the use of WARN_ONCE() which should be applied. Patches 3, 5 and 6 are due to the author's ongoing testing. This patchset is against MKP's repository, 5.13/scsi-staging branch. Douglas Gilbert (6): sg: sg_rq_map_kern: fix uninitialized sg: sg_remove_sfp_usercontext: remove NULL check sg: sg_rq_end_io: set SG_FRQ_ISSUED sg: fix double free of long scsi commands sg: tighten handling of struct request objects sg: remove debugging remnants drivers/scsi/sg.c | 87 +++++++++++++++++++---------------------------- 1 file changed, 35 insertions(+), 52 deletions(-) -- 2.25.1
