On Mar 25, 2016, at 12:49 AM, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git > staging-testing > head: 6d197476df27efdb304959845e43f69d1b971a35 > commit: b8ff756bc3513e489f24c14cfb6a8a39d3f3b150 [144/177] staging: lustre: > libcfs: merge code from libcfs_ioctl into libcfs_ioctl_getdata > > > coccinelle warnings: (new ones prefixed by >>) > >>> drivers/staging/lustre/lnet/libcfs/linux/linux-module.c:66:32-38: ERROR: >>> application of sizeof to pointer > > vim +66 drivers/staging/lustre/lnet/libcfs/linux/linux-module.c > > 50 if (data->ioc_inllen1) > 51 data->ioc_inlbuf1 = &data->ioc_bulk[0]; > 52 > 53 if (data->ioc_inllen2) > 54 data->ioc_inlbuf2 = &data->ioc_bulk[0] + > 55 cfs_size_round(data->ioc_inllen1); > 56 > 57 return 0; > 58 } > 59 > 60 int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp, > 61 const struct libcfs_ioctl_hdr __user *uhdr) > 62 { > 63 struct libcfs_ioctl_hdr hdr; > 64 int err = 0; > 65 >> 66 if (copy_from_user(&hdr, uhdr, sizeof(uhdr)))
Yes, this is a real bug and should have been sizeof of hdr, not uhdr. (also it's a new addition as it was not part of the original patch in http://review.whamcloud.com/11313) Thanks! _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
