.gnu.hash into text PHDR?

From: Jiri Slaby
Date: Tue Nov 17 2015 - 09:12:38 EST


commit 6b7e26547fad7ace3dcb27a5babd2317fb9d1e12
Author: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Date: Thu Aug 6 14:45:45 2015 -0700

x86/vdso: Emit a GNU hash

I believe .gnu.hash in arch/x86/entry/vdso/vdso-layout.lds.S should have
":text", right?

Not that it would matter (it is put there automagically), but I noted it
while hunting a new failure inside KVM (host is 4.2 for some time, guest
was upgraded to 4.3 recently). KVM dies when javac invokes gtod:
KVM internal error. Suberror: 1
emulation failure
[javac] # C [linux-vdso.so.1+0xe45] __vdso_gettimeofday+0x125

which is "movl hpet_page+240(%rip), %eax". Any ideas?

More details at:

suse labs
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