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verifier bug: error during ctx access conversion (0)(1)
WARNING: CPU: 1 PID: 17361 at kernel/bpf/verifier.c:21452 convert_ctx_accesses+0x1740/0x24a8 kernel/bpf/verifier.c:21452
Modules linked in:
CPU: 1 UID: 0 PID: 17361 Comm: syz.6.4677 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 : ffff8000a99c7520
x29: ffff8000a99c7520 x28: ffff00001bcf0000 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000002 x24: ffff00001bcf0670
x23: ffff00001bcf0000 x22: 0000000000000000 x21: dfff800000000000
x20: 1fffe0000379e001 x19: ffff80008557b480 x18: 0000000000000000
x17: ffff7fffe2ff1000 x16: ffff80008d4f0000 x15: 0000000000000000
x14: 0000475d87f8a530 x13: 0000000000000000 x12: ffff700015338e0d
x11: 1ffff00015338e0c x10: ffff700015338e0c x9 : dfff800000000000
x8 : ffff8000a99c7068 x7 : ffff8000a99c7190 x6 : ffff8000a99c70e0
x5 : ffff8000a99c70c8 x4 : 0000000000000000 x3 : 1fffe0000d41733e
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000178b5ac0
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: 338
hardirqs last  enabled at (337): [<ffff8000802536ac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline]
hardirqs last  enabled at (337): [<ffff8000802536ac>] finish_lock_switch kernel/sched/core.c:5105 [inline]
hardirqs last  enabled at (337): [<ffff8000802536ac>] finish_task_switch.isra.0+0x1a8/0x854 kernel/sched/core.c:5223
hardirqs last disabled at (338): [<ffff8000854429a8>] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574
softirqs last  enabled at (216): [<ffff80008001c148>] fpsimd_restore_current_state+0x44/0x6bc arch/arm64/kernel/fpsimd.c:1744
softirqs last disabled at (214): [<ffff80008001c118>] alternative_has_cap_likely arch/arm64/include/asm/alternative-macros.h:232 [inline]
softirqs last disabled at (214): [<ffff80008001c118>] system_supports_fpsimd arch/arm64/include/asm/cpufeature.h:743 [inline]
softirqs last disabled at (214): [<ffff80008001c118>] fpsimd_restore_current_state+0x14/0x6bc arch/arm64/kernel/fpsimd.c:1737
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