------------[ cut here ]------------ verifier bug: error during ctx access conversion(1) WARNING: CPU: 1 PID: 6252 at kernel/bpf/verifier.c:21364 convert_ctx_accesses kernel/bpf/verifier.c:21364 [inline] WARNING: CPU: 1 PID: 6252 at kernel/bpf/verifier.c:21364 bpf_check+0x18deb/0x1a5d0 kernel/bpf/verifier.c:24655 Modules linked in: CPU: 1 UID: 0 PID: 6252 Comm: syz.4.147 Not tainted 6.16.0-rc3-syzkaller-gcce3fee729ee #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:convert_ctx_accesses kernel/bpf/verifier.c:21364 [inline] RIP: 0010:bpf_check+0x18deb/0x1a5d0 kernel/bpf/verifier.c:24655 Code: 8b e8 69 8b af ff 90 0f 0b 90 90 e9 71 65 ff ff e8 4a e8 eb ff c6 05 02 99 b6 0d 01 90 48 c7 c7 e0 f5 91 8b e8 46 8b af ff 90 <0f> 0b 90 90 e9 99 74 ff ff e8 27 e8 eb ff c6 05 e4 98 b6 0d 01 90 RSP: 0018:ffffc9000c3e73a0 EFLAGS: 00010246 RAX: 0e0258c460da8000 RBX: 0000000000000004 RCX: 0000000000080000 RDX: ffffc9000d02b000 RSI: 0000000000005b17 RDI: 0000000000005b18 RBP: ffffc9000c3e7b50 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: ffff888055e50008 R13: dffffc0000000000 R14: ffff888055e50000 R15: dffffc0000000000 FS: 00007f6f37a3d6c0(0000) GS:ffff888125d4d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555561491808 CR3: 000000007f998000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2972 __sys_bpf+0x5f1/0x860 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+0x7c/0x90 kernel/bpf/syscall.c:6083 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6f36b8e929 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:00007f6f37a3d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f6f36db5fa0 RCX: 00007f6f36b8e929 RDX: 0000000000000048 RSI: 000020000000e000 RDI: 0000000000000005 RBP: 00007f6f36c10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6f36db5fa0 R15: 00007ffde4b785e8