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verifier bug: error during ctx access conversion (0)(1)
WARNING: CPU: 1 PID: 12623 at kernel/bpf/verifier.c:21452 convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452
Modules linked in:
CPU: 1 UID: 0 PID: 12623 Comm: syz.1.2848 Not tainted syzkaller #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452
lr : convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452
sp : ffff8000a3517520
x29: ffff8000a3517520 x28: ffff00002d798000 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000002 x24: ffff00002d798670
x23: ffff00002d798000 x22: 0000000000000000 x21: dfff800000000000
x20: 1fffe00005af3001 x19: ffff80008557b480 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: ffff000028593602
x14: 0000000000000000 x13: 0000000000000000 x12: ffff7000146a2e0d
x11: 1ffff000146a2e0c x10: ffff7000146a2e0c x9 : dfff800000000000
x8 : ffff8000a3517068 x7 : ffff8000a3517190 x6 : ffff8000a35170e0
x5 : ffff8000a35170c8 x4 : 0000000000000000 x3 : 1fffe0000d41733e
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000016ab3c80
Call trace:
 convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452 (P)
 bpf_check+0x3c74/0x9508 kernel/bpf/verifier.c:24743
 bpf_prog_load+0xe2c/0x1b74 kernel/bpf/syscall.c:2979
 __sys_bpf+0x9c4/0x29c8 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+0x70/0xa4 kernel/bpf/syscall.c:6137
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x50/0x1a0 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 388
hardirqs last  enabled at (387): [<ffff8000854427d8>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline]
hardirqs last  enabled at (387): [<ffff8000854427d8>] exit_to_kernel_mode+0x38/0x118 arch/arm64/kernel/entry-common.c:96
hardirqs last disabled at (388): [<ffff8000854429a8>] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574
softirqs last  enabled at (358): [<ffff8000801bc538>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (358): [<ffff8000801bc538>] handle_softirqs+0x88c/0xdb4 kernel/softirq.c:607
softirqs last disabled at (321): [<ffff800080010850>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---