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WARNING: CPU: 0 PID: 2115 at kernel/signal.c:2090 do_jobctl_trap kernel/signal.c:2090 [inline]()
WARNING: CPU: 0 PID: 2115 at kernel/signal.c:2090 get_signal+0x11d5/0x14a0 kernel/signal.c:2209()
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2115 Comm: syz-executor3 Not tainted 4.4.159+ #108
 0000000000000000 f8e7643d1a729c92 ffff8800a842fb20 ffffffff81a994bd
 ffffffff828354e0 ffff8800b6920000 ffffffff8283b140 0000000000000009
 000000000000082a ffff8800a842fbe0 ffffffff813a1034 0000000041b58ab3
Call Trace:
 [<ffffffff81a994bd>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81a994bd>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff813a1034>] panic+0x19e/0x359 kernel/panic.c:112
 [<ffffffff813a1224>] warn_slowpath_common.cold.6+0x20/0x20 kernel/panic.c:455
 [<ffffffff810d4389>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
 [<ffffffff81101b25>] do_jobctl_trap kernel/signal.c:2090 [inline]
 [<ffffffff81101b25>] get_signal+0x11d5/0x14a0 kernel/signal.c:2209
 [<ffffffff8100c0d5>] do_signal+0x95/0x1840 arch/x86/kernel/signal.c:712
 [<ffffffff81003eba>] exit_to_usermode_loop+0x11a/0x160 arch/x86/entry/common.c:250
 [<ffffffff81005924>] prepare_exit_to_usermode arch/x86/entry/common.c:287 [inline]
 [<ffffffff81005924>] syscall_return_slowpath+0x254/0x2d0 arch/x86/entry/common.c:352
 [<ffffffff82705e2d>] int_ret_from_sys_call+0x25/0xa3
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..