On Thu, May 22, 2014 at 05:06:43PM +0200, Jan Kara wrote: > Tail of a page straddling inode size must be zeroed when being written > out due to POSIX requirement that modifications of mmaped page beyond > inode size must not be written to the file. ext4_bio_write_page() did > this only for blocks fully beyond inode size but didn't properly zero > blocks partially beyond inode size. Fix this. > > The problem has been uncovered by mmap_11-4 test in openposix test suite > (part of LTP). > > Reported-by: Xiaoguang Wang <wangxg.fnst@xxxxxxxxxxxxxx> > Fixes: 5a0dc7365c240 > Fixes: bd2d0210cf22f > CC: stable@xxxxxxxxxxxxxxx > Signed-off-by: Jan Kara <jack@xxxxxxx> Applied, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
