[ Sasha's backport helper bot ]
Hi,
✅ All tests passed successfully. No issues detected. No action required from the submitter.
The upstream commit SHA1 provided is correct: 46d8c744136ce2454aa4c35c138cc06817f92b8e
Status in newer kernel trees: 6.15.y | Not found 6.12.y | Not found 6.6.y | Not found 6.1.y | Not found 5.15.y | Not found
Note: The patch differs from the upstream commit: --- 1: 46d8c744136c ! 1: b96c24925413 comedi: Fix initialization of data for instructions that write to subdevice @@ Metadata ## Commit message ## comedi: Fix initialization of data for instructions that write to subdevice
+ [ Upstream commit 46d8c744136ce2454aa4c35c138cc06817f92b8e ] + Some Comedi subdevice instruction handlers are known to access instruction data elements beyond the first `insn->n` elements in some cases. The `do_insn_ioctl()` and `do_insnlist_ioctl()` functions @@ Commit message Link: https://lore.kernel.org/r/20250707161439.88385-1-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
- ## drivers/comedi/comedi_fops.c ## -@@ drivers/comedi/comedi_fops.c: static int do_insnlist_ioctl(struct comedi_device *dev, + ## drivers/staging/comedi/comedi_fops.c ## +@@ drivers/staging/comedi/comedi_fops.c: static int do_insnlist_ioctl(struct comedi_device *dev, }
for (i = 0; i < n_insns; ++i) { @@ drivers/comedi/comedi_fops.c: static int do_insnlist_ioctl(struct comedi_device dev_dbg(dev->class_dev, "copy_to_user failed\n"); ret = -EFAULT; -@@ drivers/comedi/comedi_fops.c: static int do_insn_ioctl(struct comedi_device *dev, +@@ drivers/staging/comedi/comedi_fops.c: static int do_insn_ioctl(struct comedi_device *dev, ret = -EFAULT; goto error; }
---
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | origin/linux-5.10.y | Success | Success |