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verifier bug: error during ctx access conversion(1)
WARNING: CPU: 0 PID: 16808 at kernel/bpf/verifier.c:21448 convert_ctx_accesses+0x2045/0x2920 kernel/bpf/verifier.c:21448
Modules linked in:
CPU: 0 UID: 0 PID: 16808 Comm: syz.0.2539 Not tainted 6.16.0-syzkaller-10499-g89748acdf226 #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 87 b5 8b e8 fa a5 07 00 e9 a4 f9 ff ff e8 60 83 e8 ff c6 05 af 7c be 0e 01 90 48 c7 c7 00 88 b5 8b e8 4c 40 a7 ff 90 <0f> 0b 90 90 e9 f1 fe ff ff e8 3d 83 e8 ff 0f b6 1d 8f 7c be 0e 31
RSP: 0000:ffffc9001d9b76e8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000d0c9000
RDX: 0000000000080000 RSI: ffffffff817a2815 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: fffffffffffde900 R12: dffffc0000000000
R13: ffffc90004463048 R14: 0000000000000004 R15: ffff888077b40000
FS:  00007fbeac7f66c0(0000) GS:ffff8881246fb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000194030 CR3: 00000000566d6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 bpf_check+0x5960/0xc610 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: 0033:0x7fbeae98eb69
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:00007fbeac7f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fbeaebb6080 RCX: 00007fbeae98eb69
RDX: 0000000000000048 RSI: 00002000000054c0 RDI: 0000000000000005
RBP: 00007fbeaea11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbeaebb6080 R15: 00007ffe89af59e8
 </TASK>