On 13 May 2017 at 12:23, Shawn C wrote: > On 05/12/2017 05:58 PM, PaX Team wrote: > > Shawn, can you do the printk instrumentation i suggested to print out > > the value of offset (and isize too while at it)? > > > I inserted the printk info in fs/ext4/file.c:677 > > 00------------------ > printk(KERN_DEBUG"offset: %lld, isize: %lld, blkbits: %d\n", > offset, isize, blkbits); > 11------------------ > > result: > > offset: 105, isize: 19595264, blkbits: 12 are you sure this is the last message before the size overflow report? can you perhaps post the relevant portion of dmesg too?