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| Filename | Latest commit message | Latest commit date |
|---|---|---|
427583b93d
[ Upstream commit d549107305b4634c81223a853701c06bcf657bc3 ]
I got memory leak as follows when doing fault injection test:
unreferenced object 0xffff88810a2ddc00 (size 512):
comm "kworker/6:1", pid 176, jiffies 4295009893 (age 757.220s)
hex dump (first 32 bytes):
00 50 05 18 81 88 ff ff 00 00 00 00 00 00 00 00 .P..............
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8167939c>] slab_post_alloc_hook+0x9c/0x490
[<ffffffff8167f627>] kmem_cache_alloc_trace+0x1f7/0x470
[<ffffffffa02a1530>] if_usb_probe+0x60/0x37c [libertas_tf_usb]
[<ffffffffa022668a>] usb_probe_interface+0x1aa/0x3c0 [usbcore]
[<ffffffff82b59630>] really_probe+0x190/0x480
[<ffffffff82b59a19>] __driver_probe_device+0xf9/0x180
[<ffffffff82b59af3>] driver_probe_device+0x53/0x130
[<ffffffff82b5a075>] __device_attach_driver+0x105/0x130
[<ffffffff82b55949>] bus_for_each_drv+0x129/0x190
[<ffffffff82b593c9>] __device_attach+0x1c9/0x270
[<ffffffff82b5a250>] device_initial_probe+0x20/0x30
[<ffffffff82b579c2>] bus_probe_device+0x142/0x160
[<ffffffff82b52e49>] device_add+0x829/0x1300
[<ffffffffa02229b1>] usb_set_configuration+0xb01/0xcc0 [usbcore]
[<ffffffffa0235c4e>] usb_generic_driver_probe+0x6e/0x90 [usbcore]
[<ffffffffa022641f>] usb_probe_device+0x6f/0x130 [usbcore]
cardp is missing being freed in the error handling path of the probe
and the path of the disconnect, which will cause memory leak.
This patch adds the missing kfree().
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.