------------[ cut here ]------------ Please remove unsupported %V in format string WARNING: CPU: 1 PID: 6502 at lib/vsprintf.c:2661 format_decode+0xc65/0x1330 lib/vsprintf.c:2661 Modules linked in: CPU: 1 PID: 6502 Comm: syz.4.641 Not tainted 6.1.143-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:format_decode+0xc65/0x1330 lib/vsprintf.c:2661 Code: e8 a0 ee 77 f7 c6 05 f6 19 02 04 01 41 0f b6 44 1d 00 84 c0 0f 85 be 06 00 00 41 0f be 36 48 c7 c7 80 87 b1 8b e8 1b 00 44 f7 <0f> 0b e9 fe fc ff ff 48 8b 0c 24 80 e1 07 38 c1 0f 8c d9 f3 ff ff RSP: 0018:ffffc900039d7928 EFLAGS: 00010246 RAX: 28717baff56d2c00 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc900105a8000 RSI: 0000000000059304 RDI: 0000000000059305 RBP: ffff0000ffffff00 R08: dffffc0000000000 R09: fffff5200073aeb5 R10: fffff5200073aeb5 R11: 1ffff9200073aeb4 R12: ffff0a00ffffff00 R13: 1ffff9200073af69 R14: ffffc900039d7b4b R15: 0000000000000031 FS: 00007f7916d4c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff4f194f98 CR3: 00000000489b3000 CR4: 00000000003506e0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: bstr_printf+0xc4/0xef0 lib/vsprintf.c:3234 ____bpf_trace_printk kernel/trace/bpf_trace.c:389 [inline] bpf_trace_printk+0x10b/0x190 kernel/trace/bpf_trace.c:374 bpf_prog_a343b6dd85f2a454+0x38/0x3f bpf_dispatcher_nop_func include/linux/bpf.h:1001 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:627 [inline] bpf_flow_dissect+0x12c/0x3e0 net/core/flow_dissector.c:922 bpf_prog_test_run_flow_dissector+0x409/0x600 net/bpf/test_run.c:1484 bpf_prog_test_run+0x31e/0x390 kernel/bpf/syscall.c:3685 __sys_bpf+0x593/0x6d0 kernel/bpf/syscall.c:5038 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline] __se_sys_bpf kernel/bpf/syscall.c:5122 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5122 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f7915f8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7916d4c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f79161b5fa0 RCX: 00007f7915f8e929 RDX: 0000000000000050 RSI: 0000200000000180 RDI: 000000000000000a RBP: 00007f7916010b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f79161b5fa0 R15: 00007ffe3f8e2688