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| Filename | Latest commit message | Latest commit date |
|---|---|---|
e28fd56ad5
In rmmod path, usbip_vudc does platform_device_put() twice once from platform_device_unregister() and then from put_vudc_device(). The second put results in: BUG kmalloc-2048 (Not tainted): Poison overwritten error or BUG: KASAN: use-after-free in kobject_put+0x1e/0x230 if KASAN is enabled. [ 169.042156] calling init+0x0/0x1000 [usbip_vudc] @ 1697 [ 169.042396] ============================================================================= [ 169.043678] probe of usbip-vudc.0 returned 1 after 350 usecs [ 169.044508] BUG kmalloc-2048 (Not tainted): Poison overwritten [ 169.044509] ----------------------------------------------------------------------------- ... [ 169.057849] INFO: Freed in device_release+0x2b/0x80 age=4223 cpu=3 pid=1693 [ 169.057852] kobject_put+0x86/0x1b0 [ 169.057853] 0xffffffffc0c30a96 [ 169.057855] __x64_sys_delete_module+0x157/0x240 Fix it to call platform_device_del() instead and let put_vudc_device() do the platform_device_put(). Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.