------------[ cut here ]------------ verifier bug: error during ctx access conversion(1) WARNING: CPU: 1 PID: 7698 at kernel/bpf/verifier.c:21409 convert_ctx_accesses kernel/bpf/verifier.c:21409 [inline] WARNING: CPU: 1 PID: 7698 at kernel/bpf/verifier.c:21409 bpf_check+0x1b6ec/0x1d2e0 kernel/bpf/verifier.c:24694 Modules linked in: CPU: 1 UID: 0 PID: 7698 Comm: syz.1.497 Not tainted 6.16.0-rc3-syzkaller-gea2aecdf7a95 #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:21409 [inline] RIP: 0010:bpf_check+0x1b6ec/0x1d2e0 kernel/bpf/verifier.c:24694 Code: 8b e8 68 4e af ff 90 0f 0b 90 90 e9 6b 60 ff ff e8 49 ab eb ff c6 05 83 1f b7 0d 01 90 48 c7 c7 c0 fb 91 8b e8 45 4e af ff 90 <0f> 0b 90 90 e9 b5 bd ff ff e8 26 ab eb ff c6 05 65 1f b7 0d 01 90 RSP: 0018:ffffc9000482f600 EFLAGS: 00010246 RAX: 3f27dbfcf7b56700 RBX: 0000000000000004 RCX: 0000000000080000 RDX: ffffc9000c649000 RSI: 0000000000005a8a RDI: 0000000000005a8b RBP: ffffc9000482fb50 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa04 R12: ffffc9000534d052 R13: dffffc0000000000 R14: ffff888032058000 R15: dffffc0000000000 FS: 00007f076c5ab6c0(0000) GS:ffff888125d19000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555560e02588 CR3: 0000000031e50000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2972 __sys_bpf+0x528/0x870 kernel/bpf/syscall.c:6004 __do_sys_bpf kernel/bpf/syscall.c:6114 [inline] __se_sys_bpf kernel/bpf/syscall.c:6112 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6112 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: 0033:0x7f076b78e929 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:00007f076c5ab038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f076b9b5fa0 RCX: 00007f076b78e929 RDX: 0000000000000048 RSI: 000020000000e000 RDI: 0000000000000005 RBP: 00007f076b810b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f076b9b5fa0 R15: 00007ffc05b80868