------------[ cut here ]------------
Too BIG xdp->frame_sz = 131072
WARNING: CPU: 0 PID: 4060 at net/core/filter.c:3848 bpf_xdp_adjust_tail+0x1a8/0x1b0 net/core/filter.c:3837
Modules linked in:
CPU: 0 PID: 4060 Comm: syz-executor272 Not tainted 5.15.98-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : bpf_xdp_adjust_tail+0x1a8/0x1b0 net/core/filter.c:3837
lr : ____bpf_xdp_adjust_tail net/core/filter.c:3848 [inline]
lr : bpf_xdp_adjust_tail+0x1a4/0x1b0 net/core/filter.c:3837
sp : ffff80001cb97470
x29: ffff80001cb97470 x28: ffff0000d665fec0 x27: 1ffff00003972ed9
x26: ffff0000d664feef x25: dfff800000000000 x24: 0000000000020000
x23: ffff0000d664feef x22: 0000000000000000 x21: ffff80001cb976c0
x20: ffff80001cb976c8 x19: ffff800016d3f000 x18: 0000000000000201
x17: ff80800008337080 x16: 0000000000000000 x15: ffff800008337080
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000832eb64 x10: 0000000000000000 x9 : c15b1ff029830300
x8 : c15b1ff029830300 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001cb96bd8 x4 : ffff800014a10780 x3 : ffff8000083371cc
x2 : 0000000000000001 x1 : 0000000100000200 x0 : ffffffffffffffea
Call trace:
 bpf_xdp_adjust_tail+0x1a8/0x1b0 net/core/filter.c:3837
 bpf_prog_4add87e5301a4105+0x3c/0x100
 bpf_dispatcher_xdp_func+0x30/0x44 net/core/filter.c:10686
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run_xdp include/linux/filter.h:800 [inline]
 bpf_prog_run_generic_xdp+0x3e0/0xea8 net/core/dev.c:4729
 netif_receive_generic_xdp net/core/dev.c:4815 [inline]
 do_xdp_generic+0x348/0x614 net/core/dev.c:4870
 tun_get_user+0x1d8c/0x3630 drivers/net/tun.c:1915
 tun_chr_write_iter+0xfc/0x20c drivers/net/tun.c:2018
 call_write_iter include/linux/fs.h:2101 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x87c/0xb3c fs/read_write.c:594
 ksys_write+0x15c/0x26c fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 <unknown>:584
irq event stamp: 14327
hardirqs last  enabled at (14326): [<ffff80000832ccfc>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (14327): [<ffff800011976650>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (14156): [<ffff8000085670cc>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (14156): [<ffff8000085670cc>] bpf_link_settle+0x80/0x148 kernel/bpf/syscall.c:2584
softirqs last disabled at (14266): [<ffff80000c90df70>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace be4bada2ac3b57d1 ]---
Illegal XDP return value 4294967274, expect packet loss!