On Tue, Jul 19, 2016 at 02:33:27PM -0400, Dave Jones wrote: > > Could you dump the relevant part of vmlinux objdump, rather than whatever > > you've used on base.o? Having relocations resolved makes it much easier > > to figure out... Or just dump that vmlinux on anonftp somewhere... > > http://codemonkey.org.uk/junk/vmlinux.gz
OK, it's actually about fetching ->f_mode in info.mode = vma->vm_file->f_mode; %r15 points contains vma->vm_file at that point, and 0x84 is the offset of f_mode in struct file on your config from hell (due to spinlock_t size exploding on lockdep et.al.) Interesting... Do you have a reproducer for that?