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SubjectWARNING: can't dereference registers at ADDR for ip interrupt_entry

syzbot found the following crash on:

HEAD commit: a0ba26f3 Merge git://
git tree: bpf
console output:
kernel config:
dashboard link:
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:
C reproducer:

The bug was bisected to:

commit 24bbf74c0c36bfbaa276c9921b55b844018b241e
Author: Suravee Suthikulpanit <>
Date: Thu Nov 14 20:15:07 2019 +0000

kvm: x86: Add APICv (de)activate request trace points

bisection log:
final crash:
console output:

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Fixes: 24bbf74c0c36 ("kvm: x86: Add APICv (de)activate request trace points")

WARNING: can't dereference registers at 00000000ebf55915 for ip interrupt_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:579

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For information about bisection process see:
syzbot can test patches for this bug, for details see:

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