------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 0 PID: 1077 at lib/vsprintf.c:2149 format_decode+0x8fc/0xaf0 lib/vsprintf.c:2149 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 1077 Comm: syz-executor1 Not tainted 4.19.0-rc3+ #219 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+0x1c4/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 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:993 RIP: 0010:format_decode+0x8fc/0xaf0 lib/vsprintf.c:2149 Code: e8 39 c6 c1 f9 41 c6 45 00 12 e9 9b fd ff ff e8 2a c6 c1 f9 0f be f3 48 c7 c7 e0 c8 e6 88 c6 05 ac f1 83 02 01 e8 74 b0 8b f9 <0f> 0b 4d 8b 66 c0 e9 59 fe ff ff 48 8b bd 70 ff ff ff e8 cd 36 05 RSP: 0018:ffff8801c1847680 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90003463000 RDX: 000000000000d905 RSI: ffffffff8164f955 RDI: 0000000000000005 RBP: ffff8801c1847728 R08: ffff8801cda6c640 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c1847afc R13: ffff8801c18477a0 R14: ffff8801c1847700 R15: 0000000000000000 vsnprintf+0x185/0x1b60 lib/vsprintf.c:2245 vscnprintf+0x2d/0x80 lib/vsprintf.c:2396 __trace_array_vprintk.part.59+0x5b/0x2f0 kernel/trace/trace.c:2991 __trace_array_vprintk kernel/trace/trace.c:3022 [inline] trace_array_vprintk kernel/trace/trace.c:3022 [inline] trace_vprintk+0x71/0x90 kernel/trace/trace.c:3060 __trace_printk+0xce/0x120 kernel/trace/trace_printk.c:238 ____bpf_trace_printk kernel/trace/bpf_trace.c:271 [inline] bpf_trace_printk+0xb30/0xc50 kernel/trace/bpf_trace.c:163 bpf_prog_e51deac1441bc083+0x344/0x1000 Kernel Offset: disabled Rebooting in 86400 seconds..