Option ' WARNING: CPU: 1 PID: 3364 at lib/vsprintf.c:1941 set_precision+0x144/0x170 lib/vsprintf.c:1941 precision 63950 too large[ 26.093423] Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3364 Comm: syz-executor3 Not tainted 4.9.77-g8788313 #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c816f6c0 ffffffff81d941c9 ffffffff83a47bc0 ffff8801c816f798 ffffffff83c10600 ffffffff81db54c4 0000000000000009 ffff8801c816f788 ffffffff8142f3c1 0000000041b58ab3 ffffffff8418ab70 ffffffff8142f205 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bc/0x3a8 kernel/panic.c:179 [] __warn+0x1c4/0x1e0 kernel/panic.c:542 [] warn_slowpath_fmt+0xc4/0x110 kernel/panic.c:565 [] set_precision+0x144/0x170 lib/vsprintf.c:1941 [] vsnprintf+0x8ae/0x16d0 lib/vsprintf.c:2017 [] vscnprintf+0x2d/0x60 lib/vsprintf.c:2147 [] vprintk_emit+0xf1/0x750 kernel/printk/printk.c:1847 [] vprintk+0x28/0x30 kernel/printk/printk.c:1913 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1914 [] vprintk_func kernel/printk/internal.h:36 [inline] [] printk+0xb7/0xe2 kernel/printk/printk.c:1975 [] dns_resolver_preparse+0x743/0x810 net/dns_resolver/dns_key.c:130 [] key_create_or_update+0x35e/0xa60 security/keys/key.c:855 [] ? 0xffffffff810002b8 [] SYSC_add_key security/keys/keyctl.c:125 [inline] [] SyS_add_key+0x1b1/0x390 security/keys/keyctl.c:60 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..