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authorJonathan Dieter <jdieter@lesbg.com>2017-02-27 11:31:03 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-17 07:16:56 +0300
commite5dfa3f902b9a642ae8c6997d57d7c41e384a90b (patch)
tree7ffbc5d1292e713efc36c224e19099dc343214fb /drivers
parent2c93e790e8253552227bf9b46a8d49dca3f71b06 (diff)
downloadlinux-e5dfa3f902b9a642ae8c6997d57d7c41e384a90b.tar.xz
usbip: Fix potential format overflow in userspace tools
The usbip userspace tools call sprintf()/snprintf() and don't check for the return value which can lead the paths to overflow, truncating the final file in the path. More urgently, GCC 7 now warns that these aren't checked with -Wformat-overflow, and with -Werror enabled in configure.ac, that makes these tools unbuildable. This patch fixes these problems by replacing sprintf() with snprintf() in one place and adding checks for the return value of snprintf(). Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Jonathan Dieter <jdieter@lesbg.com> Acked-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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