netlink: 14 bytes leftover after parsing attributes in process `syz-executor0'. ------------[ cut here ]------------ Please remove unsupported % in format string WARNING: CPU: 1 PID: 13484 at lib/vsprintf.c:2152 format_decode+0x8fc/0xaf0 lib/vsprintf.c:2152 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 13484 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #144 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+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:format_decode+0x8fc/0xaf0 lib/vsprintf.c:2152 Code: e8 79 ec a8 f9 41 c6 45 00 12 e9 9b fd ff ff e8 6a ec a8 f9 0f be f3 48 c7 c7 c0 cf d7 88 c6 05 5f 21 3c 02 01 e8 24 4e 72 f9 <0f> 0b 4d 8b 66 c0 e9 59 fe ff ff 48 8b bd 70 ff ff ff e8 bd 39 ec RSP: 0018:ffff8801546cf670 EFLAGS: 00010286 kobject: 'loop2' (00000000f73e85f1): kobject_uevent_env RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000de56000 RDX: 000000000000d45f RSI: ffffffff8165e9a5 RDI: 0000000000000005 RBP: ffff8801546cf718 R08: ffff880183e12540 R09: ffffed003b5e3ef8 R10: ffffed003b5e3ef8 R11: ffff8801daf1f7c7 R12: ffff8801546cfaec R13: ffff8801546cf790 R14: ffff8801546cf6f0 R15: 0000000000000000 vsnprintf+0x185/0x1b60 lib/vsprintf.c:2248 vscnprintf+0x2d/0x80 lib/vsprintf.c:2399 __trace_array_vprintk.part.59+0x5b/0x2f0 kernel/trace/trace.c:2992 __trace_array_vprintk kernel/trace/trace.c:3023 [inline] trace_array_vprintk kernel/trace/trace.c:3023 [inline] trace_vprintk+0x71/0x90 kernel/trace/trace.c:3061 __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_12183cdb1cd51dab+0x6d0/0x1000 Kernel Offset: disabled Rebooting in 86400 seconds..