------------[ cut here ]------------ Too BIG xdp->frame_sz = 131072 WARNING: CPU: 0 PID: 3587 at net/core/filter.c:3848 ____bpf_xdp_adjust_tail net/core/filter.c:3848 [inline] WARNING: CPU: 0 PID: 3587 at net/core/filter.c:3848 bpf_xdp_adjust_tail+0x19b/0x1b0 net/core/filter.c:3837 Modules linked in: CPU: 0 PID: 3587 Comm: syz-executor889 Not tainted 5.15.98-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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 94 e3 8c f9 e9 d6 fe ff ff e8 2a b0 43 f9 c6 05 74 9f 93 05 01 48 c7 c7 80 e8 79 8b 89 ee e8 d5 5d 0f 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:ffffc90002a7f760 EFLAGS: 00010246 RAX: 312ca7c99beb9100 RBX: ffffc90002a7f920 RCX: ffff888019ab1d00 RDX: 0000000000000000 RSI: 0000000080000200 RDI: 0000000000000000 RBP: 0000000000020000 R08: ffffffff81668cfc R09: ffffed1017344f24 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807b6cfeef R13: ffff88807b6cfeef R14: ffffc90002a7f928 R15: 1ffff9200054ff25 FS: 0000555555fdd300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000001d9a5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_4add87e5301a4105+0x12/0x944 __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:4729 netif_receive_generic_xdp net/core/dev.c:4815 [inline] do_xdp_generic+0x416/0x6c0 net/core/dev.c:4870 tun_get_user+0x2872/0x3fc0 drivers/net/tun.c:1915 tun_chr_write_iter+0x10c/0x1e0 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+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: 0033:0x7fe59aa4ea73 Code: 5d 41 5c 41 5d 41 5e e9 9b fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007ffca3917af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffca3917b20 RCX: 00007fe59aa4ea73 RDX: 000000000000fdef RSI: 0000000020000300 RDI: 00000000000000c8 RBP: 0000000000000003 R08: bb1414aca3917b27 R09: bb1414aca3917b27 R10: bb1414aca3917b27 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca3917b10 R14: 00007ffca3917b08 R15: 00007ffca3917b04