syz-executor.0 sent an empty control message without MSG_MORE.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6815 at kernel/bpf/btf.c:1943 btf_type_id_size+0x8e0/0x948
Modules linked in:
CPU: 1 PID: 6815 Comm: syz-executor.0 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--)
pc : btf_type_id_size+0x8e0/0x948
lr : btf_type_id_size+0x8dc/0x948 kernel/bpf/btf.c:1942
sp : ffff80001fea79d0
x29: ffff80001fea79e0 x28: 1ffff00003fd4f50 x27: dfff800000000000
x26: 0000000011000000 x25: 0000000000000011 x24: 0000000000000000
x23: 0000000000000000 x22: ffff0000c924e200 x21: 0000000000000001
x20: ffff80001fea7a80 x19: 000000000e000000 x18: 0000000000000140
x17: 0000000000000000 x16: ffff80001215cb0c x15: 0000000000000002
x14: 0000000000000012 x13: ffff0000d6319bc0 x12: 0000000000040000
x11: 000000000001957b x10: ffff80001e449000 x9 : ffff800008668474
x8 : 000000000001957c x7 : ffff800008ac1b64 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000005
x2 : ffff80001fea7aa0 x1 : 0000000011000000 x0 : 000000000e000000
Call trace:
 btf_type_id_size+0x8e0/0x948
 map_check_btf+0x104/0x97c kernel/bpf/syscall.c:1018
 map_create+0x6f4/0xbc8 kernel/bpf/syscall.c:1167
 __sys_bpf+0x284/0x654 kernel/bpf/syscall.c:4987
 __do_sys_bpf kernel/bpf/syscall.c:5109 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5107 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5107
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 4766
hardirqs last  enabled at (4765): [<ffff80001223c6dc>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (4765): [<ffff80001223c6dc>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (4766): [<ffff800012158694>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (4152): [<ffff800008033178>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (4150): [<ffff800008033144>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.