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verifier bug: error during ctx access conversion (0)(1)
WARNING: CPU: 1 PID: 7316 at kernel/bpf/verifier.c:21452 convert_ctx_accesses kernel/bpf/verifier.c:21452 [inline]
WARNING: CPU: 1 PID: 7316 at kernel/bpf/verifier.c:21452 bpf_check+0x1466c/0x15d8c kernel/bpf/verifier.c:24743
Modules linked in:
CPU: 1 UID: 0 PID: 7316 Comm: syz.3.205 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : convert_ctx_accesses kernel/bpf/verifier.c:21452 [inline]
pc : bpf_check+0x1466c/0x15d8c kernel/bpf/verifier.c:24743
lr : convert_ctx_accesses kernel/bpf/verifier.c:21452 [inline]
lr : bpf_check+0x1466c/0x15d8c kernel/bpf/verifier.c:24743
sp : ffff8000a4e87480
x29: ffff8000a4e87980 x28: dfff800000000000 x27: ffff80009c4ad058
x26: ffff0000cb158000 x25: 0000000000000000 x24: ffff0000cb158670
x23: 0000000000000061 x22: ffff80009c4ad05a x21: 1fffe0001962b001
x20: 0000000000000000 x19: ffff800092e16000 x18: 0000000000000000
x17: 1ffff000149d0e51 x16: ffff80008b01d7f0 x15: 0000000000000001
x14: 1ffff000149d0e00 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000004c02 x9 : 19695216f9c41900
x8 : 19695216f9c41900 x7 : ffff80008056556c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807e0290
x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 convert_ctx_accesses kernel/bpf/verifier.c:21452 [inline] (P)
 bpf_check+0x1466c/0x15d8c kernel/bpf/verifier.c:24743 (P)
 bpf_prog_load+0xec8/0x13fc kernel/bpf/syscall.c:2979
 __sys_bpf+0x450/0x628 kernel/bpf/syscall.c:6029
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:6137
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 18666
hardirqs last  enabled at (18665): [<ffff80008b01c524>] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214
hardirqs last disabled at (18666): [<ffff80008b016974>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434
softirqs last  enabled at (18660): [<ffff8000803da360>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (18660): [<ffff8000803da360>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (18633): [<ffff800080022028>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---