------------[ cut here ]------------ WARNING: CPU: 1 PID: 3843 at kernel/signal.c:2086 do_jobctl_trap kernel/signal.c:2086 [inline]() WARNING: CPU: 1 PID: 3843 at kernel/signal.c:2086 get_signal+0x11de/0x1550 kernel/signal.c:2205() Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3843 Comm: syz-executor1 Not tainted 4.4.120-gd63fdf6 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 ce92c833aa3a8140 ffff8801c3c1fb68 ffffffff81d0408d ffffffff83843b40 ffff8801c3c1fc40 ffffffff83849780 0000000000000009 0000000000000826 ffff8801c3c1fc30 ffffffff8141ab2a 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] panic+0x1aa/0x388 kernel/panic.c:112 [] warn_slowpath_common+0x125/0x140 kernel/panic.c:455 [] warn_slowpath_null+0x29/0x30 kernel/panic.c:492 [] do_jobctl_trap kernel/signal.c:2086 [inline] [] get_signal+0x11de/0x1550 kernel/signal.c:2205 [] do_signal+0x8b/0x1d40 arch/x86/kernel/signal.c:712 [] exit_to_usermode_loop+0x11a/0x160 arch/x86/entry/common.c:248 [] prepare_exit_to_usermode arch/x86/entry/common.c:283 [inline] [] syscall_return_slowpath+0x1b5/0x1f0 arch/x86/entry/common.c:348 [] int_ret_from_sys_call+0x25/0xa3 Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..