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verifier bug: error during ctx access conversion(1)
WARNING: CPU: 1 PID: 21990 at kernel/bpf/verifier.c:21448 convert_ctx_accesses+0x6e4/0xaec kernel/bpf/verifier.c:21448
Modules linked in:
CPU: 1 UID: 0 PID: 21990 Comm: syz.4.18545 Not tainted 6.16.0-syzkaller-10499-g89748acdf226 #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 61402009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : convert_ctx_accesses+0x6e4/0xaec kernel/bpf/verifier.c:21448
lr : convert_ctx_accesses+0x6e4/0xaec kernel/bpf/verifier.c:21448
sp : ffff800088e4b9e0
x29: ffff800088e4b9e0 x28: f5f0000036dc8000 x27: f7ff800083cf5058
x26: 0000000000000000 x25: 0000000000000002 x24: 0000000000000000
x23: ffff8000816c0ebc x22: 0000000000000004 x21: 0000000000000002
x20: 0000000000000004 x19: f5f0000036dce128 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffc173f068
x14: 0000000000000117 x13: 0000000000000000 x12: ffff8000828f1258
x11: 00000000000000c0 x10: 3988b325622cbe7d x9 : 742877f60215fbda
x8 : f2f0000009a891f8 x7 : 0000000000000004 x6 : 0000117756b284da
x5 : 0000000000000002 x4 : fbffff3fffffffff x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : f2f0000009a88000
Call trace:
 convert_ctx_accesses+0x6e4/0xaec kernel/bpf/verifier.c:21448 (P)
 bpf_check+0x12f8/0x2a8c kernel/bpf/verifier.c:24736
 bpf_prog_load+0x634/0xb74 kernel/bpf/syscall.c:2972
 __sys_bpf+0x2e0/0x1a3c kernel/bpf/syscall.c:6022
 __do_sys_bpf kernel/bpf/syscall.c:6132 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6130 [inline]
 __arm64_sys_bpf+0x24/0x34 kernel/bpf/syscall.c:6130
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151
 el0_svc+0x34/0x10c arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596
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