syzbot

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Too BIG xdp->frame_sz = 131072
WARNING: CPU: 0 PID: 3500 at net/core/filter.c:3848 ____bpf_xdp_adjust_tail net/core/filter.c:3848 [inline]
WARNING: CPU: 0 PID: 3500 at net/core/filter.c:3848 bpf_xdp_adjust_tail+0x19b/0x1b0 net/core/filter.c:3837
Modules linked in:
CPU: 0 PID: 3500 Comm: syz-executor216 Not tainted 5.15.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:____bpf_xdp_adjust_tail net/core/filter.c:3848 [inline]
RIP: 0010:bpf_xdp_adjust_tail+0x19b/0x1b0 net/core/filter.c:3837
Code: 0f 8c e0 fe ff ff e8 e4 9d 8c f9 e9 d6 fe ff ff e8 1a 29 43 f9 c6 05 1b d8 93 05 01 48 c7 c7 00 2b 7a 8b 89 ee e8 55 f5 0e f9 <0f> 0b 48 c7 c0 ea ff ff ff e9 7c ff ff ff 0f 1f 80 00 00 00 00 55
RSP: 0018:ffffc900011df760 EFLAGS: 00010246
RAX: b4dd48361c0ff500 RBX: ffffc900011df920 RCX: ffff888078cbbb80
RDX: 0000000000000000 RSI: 0000000080000200 RDI: 0000000000000000
RBP: 0000000000020000 R08: ffffffff8166490c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888073d8feef
R13: ffff888073d8feef R14: ffffc900011df928 R15: 1ffff9200023bf25
FS:  0000555556b66380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 000000001aa90000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_prog_4add87e5301a4105+0x12/0x8d0
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run_xdp include/linux/filter.h:800 [inline]
 bpf_prog_run_generic_xdp+0x4ec/0x1030 net/core/dev.c:4735
 netif_receive_generic_xdp net/core/dev.c:4821 [inline]
 do_xdp_generic+0x416/0x6c0 net/core/dev.c:4876
 tun_get_user+0x23c7/0x40f0 drivers/net/tun.c:1915
 tun_chr_write_iter+0x10c/0x1e0 drivers/net/tun.c:2018
 call_write_iter include/linux/fs.h:2103 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xacf/0xe50 fs/read_write.c:594
 ksys_write+0x1a2/0x2c0 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f949f51e640
Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 61 ea 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
RSP: 002b:00007ffeab1b7888 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f949f51e640
RDX: 000000000000fdef RSI: 0000000020000580 RDI: 00000000000000c8
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: bb1414ac00000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>