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verifier bug: more than one arg with ref_obj_id R2 2 2(1)
WARNING: CPU: 1 PID: 3897 at kernel/bpf/verifier.c:9678 check_func_arg kernel/bpf/verifier.c:9676 [inline]
WARNING: CPU: 1 PID: 3897 at kernel/bpf/verifier.c:9678 check_helper_call+0x2035/0x2200 kernel/bpf/verifier.c:11386
Modules linked in:
CPU: 1 UID: 0 PID: 3897 Comm: syz.2.16 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:check_func_arg kernel/bpf/verifier.c:9676 [inline]
RIP: 0010:check_helper_call+0x2035/0x2200 kernel/bpf/verifier.c:11386
Code: 7a 45 02 01 90 4c 8b 7c 24 10 4c 8b 74 24 28 43 8b 54 3e 5c 8b 4c 24 70 48 c7 c7 dd 52 1f 83 48 8b 74 24 30 e8 8c 43 cc ff 90 <0f> 0b 90 90 43 8b 4c 3e 5c 44 8b 44 24 70 e9 cb ef ff ff 80 3d 78
RSP: 0018:ffffc900013978f8 EFLAGS: 00010246
RAX: 6af0f370451e2400 RBX: ffff88811e210000 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff831aa8d8 RDI: 00000000ffffffff
RBP: 0000000000000004 R08: 0000000000001fff R09: ffffffff836ad2f0
R10: 0000000000005ffd R11: 00000000ffffdfff R12: 0000000000000003
R13: ffffc900001950a8 R14: ffff88811a56b000 R15: 00000000000000f0
FS:  00007f1d32e1f6c0(0000) GS:ffff8882b3817000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a5ffff CR3: 00000001155e0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_check_insn kernel/bpf/verifier.c:19850 [inline]
 do_check+0x27d7/0x3030 kernel/bpf/verifier.c:20017
 do_check_common+0x319/0x820 kernel/bpf/verifier.c:23180
 do_check_main kernel/bpf/verifier.c:23263 [inline]
 bpf_check+0xf2a/0x52a0 kernel/bpf/verifier.c:24619
 bpf_prog_load+0x65c/0x6f0 kernel/bpf/syscall.c:2972
 __sys_bpf+0x3f4/0x590 kernel/bpf/syscall.c:5978
 __do_sys_bpf kernel/bpf/syscall.c:6085 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6083 [inline]
 __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:6083
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d333ae929
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:00007f1d32e1f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f1d335d5fa0 RCX: 00007f1d333ae929
RDX: 0000000000000090 RSI: 0000200000000840 RDI: 0000000000000005
RBP: 00007f1d33430b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1d335d5fa0 R15: 00007ffd5f7d9638
 </TASK>