------------[ cut here ]------------ precision 1048563 too large WARNING: CPU: 1 PID: 23603 at lib/vsprintf.c:2164 set_precision+0xc3/0xe0 lib/vsprintf.c:2164 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 23603 Comm: syz-executor5 Not tainted 4.18.0-rc3+ #137 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:set_precision+0xc3/0xe0 lib/vsprintf.c:2164 Code: fc ff df 80 3c 02 00 75 32 66 41 89 5d 06 eb 9d e8 c2 e1 eb f9 89 de 48 c7 c7 a0 69 86 88 c6 05 5f 9a 09 02 01 e8 9d 04 b7 f9 <0f> 0b eb a7 4c 89 ef e8 91 bc 29 fa e9 5a ff ff ff 4c 89 ef e8 84 RSP: 0018:ffff8801b22e76d8 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 00000000000ffff3 RCX: ffffc90002e14000 RDX: 000000000000063c RSI: ffffffff81631870 RDI: 0000000000000001 RBP: ffff8801b22e76f0 R08: ffff8801948f4740 R09: ffffed003b5e42cd R10: ffffed003b5e42cd R11: ffff8801daf2166f R12: 0000000000000000 R13: ffff8801b22e7768 R14: ffffffff8884392e R15: ffff8801b22e77a8 vsnprintf+0x38b/0x1b60 lib/vsprintf.c:2240 vscnprintf+0x2d/0x80 lib/vsprintf.c:2370 vprintk_emit+0x1ab/0xdf0 kernel/printk/printk.c:1853 vprintk_default+0x28/0x30 kernel/printk/printk.c:1948 vprintk_func+0x7a/0xe7 kernel/printk/printk_safe.c:382 printk+0xa7/0xcf kernel/printk/printk.c:1981 dns_resolver_preparse.cold.3+0x1fd/0x252 net/dns_resolver/dns_key.c:130 key_create_or_update+0x583/0x1120 security/keys/key.c:849 __do_sys_add_key security/keys/keyctl.c:122 [inline] __se_sys_add_key security/keys/keyctl.c:62 [inline] __x64_sys_add_key+0x3cf/0x4e0 security/keys/keyctl.c:62 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455e29 Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f768485dc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000f8 RAX: ffffffffffffffda RBX: 00007f768485e6d4 RCX: 0000000000455e29 RDX: 00000000200003c0 RSI: 0000000020001380 RDI: 0000000020000340 RBP: 000000000072bea0 R08: ffffffffffffffff R09: 0000000000000000 R10: 00000000000fffff R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004bb8f6 R14: 00000000004c89c0 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled