Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 67.366837][ T6539] A link change request failed with some changes committed already. Interface eth0 may have been left with an inconsistent configuration, please check. [ 67.389531][ C1] ------------[ cut here ]------------ [ 67.395189][ C1] Illegal XDP return value 4294967274, expect packet loss! [ 67.402759][ C1] WARNING: CPU: 1 PID: 6540 at net/core/filter.c:8186 bpf_warn_invalid_xdp_action+0x6f/0x80 [ 67.412972][ C1] Modules linked in: [ 67.416955][ C1] CPU: 1 PID: 6540 Comm: syz-executor323 Not tainted 5.15.0-rc2-syzkaller #0 [ 67.425979][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.436124][ C1] RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 [ 67.442570][ C1] Code: 00 a8 8c 8a 41 83 fc 04 48 c7 c6 40 a8 8c 8a 48 0f 46 ee e8 33 9f 4d fa 44 89 e2 48 c7 c7 80 a8 8c 8a 48 89 ee e8 3e e5 c9 01 <0f> 0b 5b 5d 41 5c e9 16 9f 4d fa 66 0f 1f 44 00 00 41 57 41 56 49 [ 67.462256][ C1] RSP: 0018:ffffc90000dc0a78 EFLAGS: 00010282 [ 67.468421][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.476972][ C1] RDX: ffff88807a26d580 RSI: ffffffff815dbd68 RDI: fffff520001b8141 [ 67.484963][ C1] RBP: ffffffff8a8ca800 R08: 0000000000000000 R09: 0000000000000000 [ 67.493028][ C1] R10: ffffffff815d5b0e R11: 0000000000000000 R12: 00000000ffffffea [ 67.501074][ C1] R13: 00000000ffffffea R14: 00000000ffffffea R15: 00000000ffffff90 [ 67.509117][ C1] FS: 0000555555fd8300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.518144][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.524825][ C1] CR2: 00007f7c201cf130 CR3: 000000001aab5000 CR4: 00000000003506e0 [ 67.532898][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.540951][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.548995][ C1] Call Trace: [ 67.552278][ C1] [ 67.555180][ C1] do_xdp_generic.part.0+0x80b/0xa00 [ 67.560481][ C1] ? generic_xdp_tx+0x6b0/0x6b0 [ 67.565443][ C1] __netif_receive_skb_core+0x11b0/0x3640 [ 67.571273][ C1] ? do_xdp_generic+0x40/0x40 [ 67.576036][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.582044][ C1] __netif_receive_skb_one_core+0xae/0x180 [ 67.587936][ C1] ? __netif_receive_skb_core+0x3640/0x3640 [ 67.593852][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 67.598989][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 67.603969][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 67.609052][ C1] __netif_receive_skb+0x24/0x1b0 [ 67.614102][ C1] process_backlog+0x2a5/0x6c0 [ 67.618995][ C1] __napi_poll+0xaf/0x440 [ 67.623336][ C1] net_rx_action+0x801/0xb40 [ 67.628103][ C1] ? napi_threaded_poll+0x520/0x520 [ 67.633435][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 67.638379][ C1] __do_softirq+0x29b/0x9c2 [ 67.642915][ C1] do_softirq.part.0+0xde/0x130 [ 67.647845][ C1] [ 67.650781][ C1] ? netlink_create+0x3c2/0x5e0 [ 67.655821][ C1] __local_bh_enable_ip+0x102/0x120 [ 67.661040][ C1] netlink_create+0x402/0x5e0 [ 67.665794][ C1] ? rtnl_af_register+0xd0/0xd0 [ 67.670664][ C1] __sock_create+0x353/0x790 [ 67.675382][ C1] __sys_socket+0xef/0x200 [ 67.679819][ C1] ? compat_sock_ioctl+0x6d0/0x6d0 [ 67.684967][ C1] __x64_sys_socket+0x6f/0xb0 [ 67.689760][ C1] ? syscall_enter_from_user_mode+0x21/0x70 [ 67.695773][ C1] do_syscall_64+0x35/0xb0 [ 67.700220][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.706225][ C1] RIP: 0033:0x7f7c2015d209 [ 67.710655][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 67.730359][ C1] RSP: 002b:00007ffd98e3e3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 67.738884][ C1] RAX: ffffffffffffffda RBX: 0000000000010724 RCX: 00007f7c2015d209 [ 67.746934][ C1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010 [ 67.754919][ C1] RBP: 0000000000000000 R08: 00007ffd98e3e548 R09: 00007ffd98e3e548 [ 67.762985][ C1] R10: 00007ffd98e3e548 R11: 0000000000000246 R12: 00007ffd98e3e3bc [ 67.771139][ C1] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 67.779207][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 67.785805][ C1] CPU: 1 PID: 6540 Comm: syz-executor323 Not tainted 5.15.0-rc2-syzkaller #0 [ 67.794598][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.804669][ C1] Call Trace: [ 67.807957][ C1] [ 67.810811][ C1] dump_stack_lvl+0xcd/0x134 [ 67.815416][ C1] panic+0x2b0/0x6dd [ 67.819320][ C1] ? __warn_printk+0xf3/0xf3 [ 67.823914][ C1] ? __warn.cold+0x1a/0x44 [ 67.828325][ C1] ? bpf_warn_invalid_xdp_action+0x6f/0x80 [ 67.834132][ C1] __warn.cold+0x35/0x44 [ 67.838470][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.844713][ C1] ? bpf_warn_invalid_xdp_action+0x6f/0x80 [ 67.850616][ C1] report_bug+0x1bd/0x210 [ 67.854954][ C1] handle_bug+0x3c/0x60 [ 67.859113][ C1] exc_invalid_op+0x14/0x40 [ 67.863610][ C1] asm_exc_invalid_op+0x12/0x20 [ 67.868458][ C1] RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 [ 67.874869][ C1] Code: 00 a8 8c 8a 41 83 fc 04 48 c7 c6 40 a8 8c 8a 48 0f 46 ee e8 33 9f 4d fa 44 89 e2 48 c7 c7 80 a8 8c 8a 48 89 ee e8 3e e5 c9 01 <0f> 0b 5b 5d 41 5c e9 16 9f 4d fa 66 0f 1f 44 00 00 41 57 41 56 49 [ 67.894654][ C1] RSP: 0018:ffffc90000dc0a78 EFLAGS: 00010282 [ 67.900714][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.908669][ C1] RDX: ffff88807a26d580 RSI: ffffffff815dbd68 RDI: fffff520001b8141 [ 67.916718][ C1] RBP: ffffffff8a8ca800 R08: 0000000000000000 R09: 0000000000000000 [ 67.924777][ C1] R10: ffffffff815d5b0e R11: 0000000000000000 R12: 00000000ffffffea [ 67.932737][ C1] R13: 00000000ffffffea R14: 00000000ffffffea R15: 00000000ffffff90 [ 67.940809][ C1] ? wake_up_klogd.part.0+0x8e/0xd0 [ 67.946007][ C1] ? vprintk+0x88/0x90 [ 67.950070][ C1] ? bpf_warn_invalid_xdp_action+0x6f/0x80 [ 67.955958][ C1] do_xdp_generic.part.0+0x80b/0xa00 [ 67.961233][ C1] ? generic_xdp_tx+0x6b0/0x6b0 [ 67.966089][ C1] __netif_receive_skb_core+0x11b0/0x3640 [ 67.971838][ C1] ? do_xdp_generic+0x40/0x40 [ 67.976503][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.982500][ C1] __netif_receive_skb_one_core+0xae/0x180 [ 67.988298][ C1] ? __netif_receive_skb_core+0x3640/0x3640 [ 67.994178][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 67.999189][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 68.004125][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 68.009057][ C1] __netif_receive_skb+0x24/0x1b0 [ 68.014072][ C1] process_backlog+0x2a5/0x6c0 [ 68.018847][ C1] __napi_poll+0xaf/0x440 [ 68.023167][ C1] net_rx_action+0x801/0xb40 [ 68.027834][ C1] ? napi_threaded_poll+0x520/0x520 [ 68.033026][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 68.038137][ C1] __do_softirq+0x29b/0x9c2 [ 68.042632][ C1] do_softirq.part.0+0xde/0x130 [ 68.047483][ C1] [ 68.050399][ C1] ? netlink_create+0x3c2/0x5e0 [ 68.055244][ C1] __local_bh_enable_ip+0x102/0x120 [ 68.060430][ C1] netlink_create+0x402/0x5e0 [ 68.065090][ C1] ? rtnl_af_register+0xd0/0xd0 [ 68.069949][ C1] __sock_create+0x353/0x790 [ 68.074531][ C1] __sys_socket+0xef/0x200 [ 68.078934][ C1] ? compat_sock_ioctl+0x6d0/0x6d0 [ 68.084048][ C1] __x64_sys_socket+0x6f/0xb0 [ 68.088717][ C1] ? syscall_enter_from_user_mode+0x21/0x70 [ 68.094609][ C1] do_syscall_64+0x35/0xb0 [ 68.099018][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.104900][ C1] RIP: 0033:0x7f7c2015d209 [ 68.109388][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 68.128979][ C1] RSP: 002b:00007ffd98e3e3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 68.137385][ C1] RAX: ffffffffffffffda RBX: 0000000000010724 RCX: 00007f7c2015d209 [ 68.145338][ C1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010 [ 68.153295][ C1] RBP: 0000000000000000 R08: 00007ffd98e3e548 R09: 00007ffd98e3e548 [ 68.161261][ C1] R10: 00007ffd98e3e548 R11: 0000000000000246 R12: 00007ffd98e3e3bc [ 68.169301][ C1] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 68.177685][ C1] Kernel Offset: disabled [ 68.182172][ C1] Rebooting in 86400 seconds..