------------[ cut here ]------------ verifier bug: error during ctx access conversion(1) WARNING: CPU: 1 PID: 3833 at kernel/bpf/verifier.c:21448 convert_ctx_accesses kernel/bpf/verifier.c:21448 [inline] WARNING: CPU: 1 PID: 3833 at kernel/bpf/verifier.c:21448 bpf_check+0x1b6ec/0x1d2d0 kernel/bpf/verifier.c:24736 Modules linked in: CPU: 1 UID: 0 PID: 3833 Comm: syz.0.8053 Not tainted 6.16.0-syzkaller-06574-gd9104cec3e8f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:convert_ctx_accesses kernel/bpf/verifier.c:21448 [inline] RIP: 0010:bpf_check+0x1b6ec/0x1d2d0 kernel/bpf/verifier.c:24736 Code: 8b e8 b8 4f af ff 90 0f 0b 90 90 e9 6b 60 ff ff e8 f9 ab eb ff c6 05 59 67 b6 0d 01 90 48 c7 c7 a0 01 92 8b e8 95 4f af ff 90 <0f> 0b 90 90 e9 b5 bd ff ff e8 d6 ab eb ff c6 05 3b 67 b6 0d 01 90 RSP: 0018:ffffc9000c647600 EFLAGS: 00010246 RAX: 448dfc7e1b80ef00 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90022a01000 RSI: 00000000000062d1 RDI: 00000000000062d2 RBP: ffffc9000c647b50 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa5cc R12: ffffc9000344b052 R13: dffffc0000000000 R14: ffff88804e320000 R15: 0000000000000008 FS: 00007f6bd074b6c0(0000) GS:ffff888125d80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000d000 CR3: 000000006158e000 CR4: 00000000003526f0 Call Trace: bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2972 __sys_bpf+0x528/0x870 kernel/bpf/syscall.c:6022 __do_sys_bpf kernel/bpf/syscall.c:6132 [inline] __se_sys_bpf kernel/bpf/syscall.c:6130 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6130 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: 0033:0x7f6bcf98ebe9 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:00007f6bd074b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f6bcfbb5fa0 RCX: 00007f6bcf98ebe9 RDX: 0000000000000048 RSI: 000020000000e000 RDI: 0000000000000005 RBP: 00007f6bcfa11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6bcfbb6038 R14: 00007f6bcfbb5fa0 R15: 00007ffdd1e56598