------------[ cut here ]------------ verifier bug: error during ctx access conversion(1) WARNING: CPU: 0 PID: 5821 at kernel/bpf/verifier.c:21448 convert_ctx_accesses+0x2045/0x2920 kernel/bpf/verifier.c:21448 Modules linked in: CPU: 0 UID: 0 PID: 5821 Comm: syz-executor253 Not tainted 6.16.0-syzkaller-06699-ge8d780dcd957 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:convert_ctx_accesses+0x2045/0x2920 kernel/bpf/verifier.c:21448 Code: c7 c6 a0 95 b5 8b e8 ea a5 07 00 e9 a4 f9 ff ff e8 50 6c e8 ff c6 05 16 03 bd 0e 01 90 48 c7 c7 00 96 b5 8b e8 6c 02 a7 ff 90 <0f> 0b 90 90 e9 f1 fe ff ff e8 2d 6c e8 ff 0f b6 1d f6 02 bd 0e 31 RSP: 0018:ffffc900036076e8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3658 RDX: ffff888030784880 RSI: ffffffff817a3665 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc90000ace048 R14: 0000000000000004 R15: ffff8880237c8000 FS: 000055558f61a380(0000) GS:ffff88812471e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000166d5388 CR3: 0000000076f63000 CR4: 00000000003526f0 Call Trace: bpf_check+0x5960/0xc600 kernel/bpf/verifier.c:24736 bpf_prog_load+0xe41/0x2490 kernel/bpf/syscall.c:2972 __sys_bpf+0x4a3f/0x4de0 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+0x78/0xc0 kernel/bpf/syscall.c:6130 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24cb87b429 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd5cbe7278 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f24cb87b429 RDX: 0000000000000048 RSI: 00002000000054c0 RDI: 0000000000000005 RBP: 00007f24cb8ee610 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd5cbe7448 R14: 0000000000000001 R15: 0000000000000001