WARNING: can't dereference registers at 00000000fabe1638 for ip interrupt_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:579 ================================================================== BUG: KASAN: out-of-bounds in branches_show+0x54/0x60 arch/x86/events/intel/core.c:4428 Read of size 4 at addr ffffffff8a891e18 by task syz-executor.0/8355 CPU: 0 PID: 8355 Comm: syz-executor.0 Not tainted 5.7.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 print_address_description.constprop.0.cold+0x5/0x315 mm/kasan/report.c:382 __kasan_report.cold+0x35/0x4d mm/kasan/report.c:511 kasan_report+0x33/0x50 mm/kasan/common.c:625 branches_show+0x54/0x60 arch/x86/events/intel/core.c:4428 interrupt_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:579 The buggy address belongs to the variable: x86_pmu+0x1b8/0x220 Memory state around the buggy address: ffffffff8a891d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff8a891d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffffff8a891e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffffffff8a891e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff8a891f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================