WARNING: kernel/signal.c:2174 at do_notify_parent+0xea8/0x10b0 kernel/signal.c:2174, CPU#2: syz.2.2072/13056 Kernel panic - not syncing: kernel: panic_on_warn set ... Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 check_panic_on_warn kernel/panic.c:524 [inline] check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:519 __warn.cold+0x191/0x328 kernel/panic.c:1103 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:616 RSP: 0018:ffffc9000f407aa8 EFLAGS: 00010093 RDX: ffff88805386ca00 RSI: ffffffff81caad07 RDI: ffff88805386ca00 R10: 0000000000000080 R11: 0000000000000000 R12: 1ffff92001e80f58 exit_notify kernel/exit.c:757 [inline] do_exit+0x1b05/0x2a60 kernel/exit.c:987 get_signal+0x1ec7/0x21e0 kernel/signal.c:3037 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:612 RSP: 002b:00002000000001e0 EFLAGS: 00010217 R13: 00007fcbfe616038 R14: 00007fcbfe615fa0 R15: 00007ffd58e78548 Kernel Offset: disabled Rebooting in 86400 seconds..