Re: [PATCH 6.1.y] pps: Fix a use-after-free

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

Found matching upstream commit: c79a39dc8d060b9e64e8b0fa9d245d44befeefbe


Status in newer kernel trees:
6.13.y | Present (different SHA1: d487d68916ad)
6.12.y | Present (different SHA1: 2423d77f7ee9)
6.6.y | Present (different SHA1: 73f8d5a93c8f)
6.1.y | Not found

Note: The patch differs from the upstream commit:
---
1:  c79a39dc8d060 ! 1:  23f60a23048e3 pps: Fix a use-after-free
    @@ Commit message
         Reviewed-by: Michal Schmidt <mschmidt@redhat.com>
         Link: https://lore.kernel.org/r/a17975fd5ae99385791929e563f72564edbcf28f.1731383727.git.calvin@wbinvd.org
         Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    +    (cherry picked from commit c79a39dc8d060b9e64e8b0fa9d245d44befeefbe)
    +    Signed-off-by: Calvin Owens <calvin@wbinvd.org>
     
      ## drivers/pps/clients/pps-gpio.c ##
     @@ drivers/pps/clients/pps-gpio.c: static int pps_gpio_probe(struct platform_device *pdev)
    @@ drivers/pps/pps.c: EXPORT_SYMBOL(pps_lookup_dev);
      {
     -	int err;
     -
    - 	pps_class = class_create("pps");
    + 	pps_class = class_create(THIS_MODULE, "pps");
      	if (IS_ERR(pps_class)) {
      		pr_err("failed to allocate class\n");
     @@ drivers/pps/pps.c: static int __init pps_init(void)
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.1.y        |  Success    |  Failed    |

Build Errors:
Build error for stable/linux-6.1.y:
    ssh: connect to host 192.168.1.58 port 22: No route to host