https://github.com/torvalds/linux
fw_priv->buf is accessed in both request_firmware_load() and writing to sysfs file of 'loading' context, but not protected by 'fw_lock' entirely. The patch makes sure that access on 'fw_priv->buf' is protected by the lock. So fixes the double abort problem reported by nirinA raseliarison: http://lkml.org/lkml/2013/6/14/188 Reported-and-tested-by: nirinA raseliarison <nirina.raseliarison@gmail.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: stable <stable@vger.kernel.org> # 3.9 Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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firmware loader: fix use-after-free by double abort
File | Mode | Size |
---|---|---|
Documentation | ||
arch | ||
block | ||
crypto | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.gitignore | -rw-r--r-- | 1.1 KB |
.mailmap | -rw-r--r-- | 4.4 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 93.1 KB |
Kbuild | -rw-r--r-- | 2.5 KB |
Kconfig | -rw-r--r-- | 252 bytes |
MAINTAINERS | -rw-r--r-- | 249.0 KB |
Makefile | -rw-r--r-- | 47.3 KB |
README | -rw-r--r-- | 18.3 KB |
REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
Computing file changes ...