------------[ cut here ]------------ WARNING: CPU: 0 PID: 24768 at kernel/events/core.c:1690 perf_group_attach kernel/events/core.c:1690 [inline] WARNING: CPU: 0 PID: 24768 at kernel/events/core.c:1690 add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2291 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 24768 Comm: syz-executor.4 Not tainted 4.14.142+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 panic+0x1ea/0x3d3 kernel/panic.c:182 __warn.cold+0x2f/0x3a kernel/panic.c:546 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:perf_group_attach kernel/events/core.c:1690 [inline] RIP: 0010:add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2291 RSP: 0018:ffff88819ba77ae0 EFLAGS: 00010016 RAX: 0000000000040000 RBX: ffff8881a6f97700 RCX: 0000000000000e01 RDX: ffffffff813f533a RSI: ffffc90002df8000 RDI: ffff8881a6f97908 RBP: ffff88819ea17700 R08: 0000000000001057 R09: ffffed103b745d02 R10: ffffed103b745d01 R11: ffff8881dba2e80b R12: ffff8881dba31fc0 R13: ffff88819ea1778c R14: ffff8881dba2e8f0 R15: ffff8881dba2e8f0 __perf_install_in_context+0x241/0x2f0 kernel/events/core.c:2438 remote_function kernel/events/core.c:87 [inline] remote_function+0x110/0x190 kernel/events/core.c:67 generic_exec_single+0x1b0/0x2e0 kernel/smp.c:153 smp_call_function_single+0x103/0x340 kernel/smp.c:299 cpu_function_call kernel/events/core.c:141 [inline] perf_install_in_context+0x2c6/0x320 kernel/events/core.c:2474 SYSC_perf_event_open kernel/events/core.c:10366 [inline] SyS_perf_event_open+0x19bb/0x2560 kernel/events/core.c:9988 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4598e9 RSP: 002b:00007f35e8c29c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007f35e8c2a6d4 R13: 00000000004c671d R14: 00000000004db7d8 R15: 00000000ffffffff Kernel Offset: 0x17600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Rebooting in 86400 seconds..