DUID 00:04:d5:34:fd:2d:90:3b:7d:1f:5f:ef:10:3f:c1:8d:8b:e5 forked to background, child pid 3209 [ 41.352030][ T3210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.377684][ T3210] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.610527][ T3629] ------------[ cut here ]------------ [ 68.616114][ T3629] Too BIG xdp->frame_sz = 131072 [ 68.621679][ T3629] WARNING: CPU: 0 PID: 3629 at net/core/filter.c:4069 bpf_xdp_adjust_tail+0x235/0x250 [ 68.631305][ T3629] Modules linked in: [ 68.635236][ T3629] CPU: 0 PID: 3629 Comm: syz-executor410 Not tainted 6.1.18-syzkaller #0 [ 68.643700][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 68.653799][ T3629] RIP: 0010:bpf_xdp_adjust_tail+0x235/0x250 [ 68.659699][ T3629] Code: ff ff 48 89 ef e8 2b ff 57 f9 e9 64 fe ff ff e8 01 9b 01 f9 c6 05 ba ec b5 05 01 48 c7 c7 c0 5b e1 8b 44 89 ee e8 6b e3 c9 f8 <0f> 0b 48 c7 c0 ea ff ff ff e9 24 ff ff ff 66 2e 0f 1f 84 00 00 00 [ 68.679372][ T3629] RSP: 0018:ffffc90003c7f778 EFLAGS: 00010246 [ 68.685502][ T3629] RAX: 84987534a0298b00 RBX: ffffc90003c7f940 RCX: ffff888021e4ba80 [ 68.693546][ T3629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.701536][ T3629] RBP: 0000000000000000 R08: ffffffff8152ac2e R09: ffffed1017304f1c [ 68.709570][ T3629] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90003c7f958 [ 68.717600][ T3629] R13: 0000000000020000 R14: ffff88807020feef R15: 1ffff9200078ff29 [ 68.725620][ T3629] FS: 00005555560d1300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 68.734602][ T3629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.741184][ T3629] CR2: 0000000020010000 CR3: 00000000727f7000 CR4: 00000000003506f0 [ 68.749200][ T3629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.757218][ T3629] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.765238][ T3629] Call Trace: [ 68.768532][ T3629] [ 68.771467][ T3629] bpf_prog_4add87e5301a4105+0x12/0x14 [ 68.776978][ T3629] bpf_prog_run_generic_xdp+0x572/0x11c0 [ 68.782658][ T3629] do_xdp_generic+0x406/0x6d0 [ 68.787389][ T3629] ? trace_xdp_exception+0x360/0x360 [ 68.792695][ T3629] ? local_bh_disable+0x5/0x20 [ 68.797533][ T3629] tun_get_user+0x269f/0x4480 [ 68.802244][ T3629] ? tun_ring_recv+0xcc0/0xcc0 [ 68.807080][ T3629] ? rcu_lock_release+0x5/0x20 [ 68.811860][ T3629] ? __lock_acquire+0x1f80/0x1f80 [ 68.816969][ T3629] tun_chr_write_iter+0x10c/0x1f0 [ 68.822044][ T3629] vfs_write+0x7ae/0xba0 [ 68.826370][ T3629] ? file_end_write+0x250/0x250 [ 68.831271][ T3629] ? __sys_bpf+0x5aa/0x6c0 [ 68.835759][ T3629] ? __fdget_pos+0x1db/0x2f0 [ 68.840373][ T3629] ksys_write+0x19c/0x2c0 [ 68.844901][ T3629] ? print_irqtrace_events+0x210/0x210 [ 68.850408][ T3629] ? __ia32_sys_read+0x80/0x80 [ 68.855255][ T3629] ? syscall_enter_from_user_mode+0x2e/0x2b0 [ 68.861289][ T3629] ? lockdep_hardirqs_on+0x94/0x130 [ 68.866550][ T3629] ? syscall_enter_from_user_mode+0x2e/0x2b0 [ 68.872558][ T3629] do_syscall_64+0x3d/0xb0 [ 68.877033][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 68.883002][ T3629] RIP: 0033:0x7fa3b2a8ca73 [ 68.887514][ T3629] 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 [ 68.907179][ T3629] RSP: 002b:00007ffd49e8aba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.915659][ T3629] RAX: ffffffffffffffda RBX: 00007ffd49e8abd0 RCX: 00007fa3b2a8ca73 [ 68.923687][ T3629] RDX: 000000000000fdef RSI: 0000000020000300 RDI: 00000000000000c8 [ 68.931657][ T3629] RBP: 0000000000000003 R08: bb1414ac49e8abd7 R09: bb1414ac49e8abd7 [ 68.939675][ T3629] R10: bb1414ac49e8abd7 R11: 0000000000000246 R12: 0000000000000000 [ 68.947716][ T3629] R13: 00007ffd49e8abc0 R14: 00007ffd49e8abb8 R15: 00007ffd49e8abb4 [ 68.955761][ T3629] [ 68.958798][ T3629] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.966073][ T3629] CPU: 0 PID: 3629 Comm: syz-executor410 Not tainted 6.1.18-syzkaller #0 [ 68.974496][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 68.984558][ T3629] Call Trace: [ 68.987843][ T3629] [ 68.990794][ T3629] dump_stack_lvl+0x1e3/0x2cb [ 68.995482][ T3629] ? nf_tcp_handle_invalid+0x642/0x642 [ 69.000941][ T3629] ? panic+0x75d/0x75d [ 69.005021][ T3629] ? vscnprintf+0x59/0x80 [ 69.009359][ T3629] panic+0x318/0x75d [ 69.013262][ T3629] ? __warn+0x168/0x600 [ 69.017433][ T3629] ? memcpy_page_flushcache+0xfc/0xfc [ 69.022821][ T3629] __warn+0x430/0x600 [ 69.026802][ T3629] ? bpf_xdp_adjust_tail+0x235/0x250 [ 69.032089][ T3629] report_bug+0x2af/0x500 [ 69.036423][ T3629] ? bpf_xdp_adjust_tail+0x235/0x250 [ 69.041799][ T3629] handle_bug+0x3d/0x70 [ 69.046043][ T3629] exc_invalid_op+0x16/0x40 [ 69.050546][ T3629] asm_exc_invalid_op+0x16/0x20 [ 69.055428][ T3629] RIP: 0010:bpf_xdp_adjust_tail+0x235/0x250 [ 69.061321][ T3629] Code: ff ff 48 89 ef e8 2b ff 57 f9 e9 64 fe ff ff e8 01 9b 01 f9 c6 05 ba ec b5 05 01 48 c7 c7 c0 5b e1 8b 44 89 ee e8 6b e3 c9 f8 <0f> 0b 48 c7 c0 ea ff ff ff e9 24 ff ff ff 66 2e 0f 1f 84 00 00 00 [ 69.080927][ T3629] RSP: 0018:ffffc90003c7f778 EFLAGS: 00010246 [ 69.086996][ T3629] RAX: 84987534a0298b00 RBX: ffffc90003c7f940 RCX: ffff888021e4ba80 [ 69.094969][ T3629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 69.102937][ T3629] RBP: 0000000000000000 R08: ffffffff8152ac2e R09: ffffed1017304f1c [ 69.110920][ T3629] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90003c7f958 [ 69.118894][ T3629] R13: 0000000000020000 R14: ffff88807020feef R15: 1ffff9200078ff29 [ 69.126872][ T3629] ? __warn_printk+0x28e/0x350 [ 69.131646][ T3629] ? bpf_xdp_adjust_tail+0x235/0x250 [ 69.136938][ T3629] bpf_prog_4add87e5301a4105+0x12/0x14 [ 69.142414][ T3629] bpf_prog_run_generic_xdp+0x572/0x11c0 [ 69.148161][ T3629] do_xdp_generic+0x406/0x6d0 [ 69.152844][ T3629] ? trace_xdp_exception+0x360/0x360 [ 69.158138][ T3629] ? local_bh_disable+0x5/0x20 [ 69.162915][ T3629] tun_get_user+0x269f/0x4480 [ 69.167616][ T3629] ? tun_ring_recv+0xcc0/0xcc0 [ 69.172400][ T3629] ? rcu_lock_release+0x5/0x20 [ 69.177164][ T3629] ? __lock_acquire+0x1f80/0x1f80 [ 69.182219][ T3629] tun_chr_write_iter+0x10c/0x1f0 [ 69.187344][ T3629] vfs_write+0x7ae/0xba0 [ 69.191631][ T3629] ? file_end_write+0x250/0x250 [ 69.196499][ T3629] ? __sys_bpf+0x5aa/0x6c0 [ 69.200924][ T3629] ? __fdget_pos+0x1db/0x2f0 [ 69.205517][ T3629] ksys_write+0x19c/0x2c0 [ 69.209853][ T3629] ? print_irqtrace_events+0x210/0x210 [ 69.215327][ T3629] ? __ia32_sys_read+0x80/0x80 [ 69.220100][ T3629] ? syscall_enter_from_user_mode+0x2e/0x2b0 [ 69.226086][ T3629] ? lockdep_hardirqs_on+0x94/0x130 [ 69.231292][ T3629] ? syscall_enter_from_user_mode+0x2e/0x2b0 [ 69.237367][ T3629] do_syscall_64+0x3d/0xb0 [ 69.241799][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.247703][ T3629] RIP: 0033:0x7fa3b2a8ca73 [ 69.252119][ T3629] 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 [ 69.271815][ T3629] RSP: 002b:00007ffd49e8aba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.280244][ T3629] RAX: ffffffffffffffda RBX: 00007ffd49e8abd0 RCX: 00007fa3b2a8ca73 [ 69.288305][ T3629] RDX: 000000000000fdef RSI: 0000000020000300 RDI: 00000000000000c8 [ 69.296278][ T3629] RBP: 0000000000000003 R08: bb1414ac49e8abd7 R09: bb1414ac49e8abd7 [ 69.304340][ T3629] R10: bb1414ac49e8abd7 R11: 0000000000000246 R12: 0000000000000000 [ 69.312310][ T3629] R13: 00007ffd49e8abc0 R14: 00007ffd49e8abb8 R15: 00007ffd49e8abb4 [ 69.320301][ T3629] [ 69.323445][ T3629] Kernel Offset: disabled [ 69.327830][ T3629] Rebooting in 86400 seconds..