Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.113' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.363502][ T8475] general protection fault, probably for non-canonical address 0xe000080fe8c07429: 0000 [#1] PREEMPT SMP KASAN [ 67.375254][ T8475] KASAN: maybe wild-memory-access in range [0x0000607f4603a148-0x0000607f4603a14f] [ 67.384524][ T8475] CPU: 0 PID: 8475 Comm: syz-executor952 Not tainted 5.11.0-rc7-syzkaller #0 [ 67.393274][ T8475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.403310][ T8475] RIP: 0010:j1939_priv_get_by_ndev_locked+0xff/0x220 [ 67.409995][ T8475] Code: a0 05 00 00 48 85 db 0f 84 a8 00 00 00 e8 79 d0 8f f9 48 8d bb 28 60 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 01 01 00 00 4c 8b a3 28 60 00 00 4d 85 e4 74 75 [ 67.429672][ T8475] RSP: 0018:ffffc90001fdfc48 EFLAGS: 00010202 [ 67.435726][ T8475] RAX: dffffc0000000000 RBX: 0000607f46034120 RCX: 0000000000000000 [ 67.443684][ T8475] RDX: 00000c0fe8c07429 RSI: ffffffff87e30427 RDI: 0000607f4603a148 [ 67.451638][ T8475] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000118 [ 67.459593][ T8475] R10: ffffffff87e303df R11: 0000000000000118 R12: 0000000000000118 [ 67.467548][ T8475] R13: ffffffff8d692360 R14: 0000000000000000 R15: ffffffff8d65b4a0 [ 67.475506][ T8475] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000009c8a2c0 [ 67.484439][ T8475] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 67.491010][ T8475] CR2: 000055cfb5886428 CR3: 00000000120a7000 CR4: 00000000001506f0 [ 67.498984][ T8475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.506940][ T8475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.514901][ T8475] Call Trace: [ 67.518168][ T8475] j1939_netdev_notify+0x41/0x1a0 [ 67.523188][ T8475] notifier_call_chain+0xb5/0x200 [ 67.528207][ T8475] call_netdevice_notifiers_info+0xb5/0x130 [ 67.534109][ T8475] call_netdevice_notifiers+0x79/0xa0 [ 67.539482][ T8475] ? call_netdevice_notifiers_info+0x130/0x130 [ 67.545636][ T8475] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 67.551522][ T8475] __tun_chr_ioctl.isra.0+0x3702/0x4360 [ 67.557061][ T8475] ? build_open_flags+0x680/0x680 [ 67.562075][ T8475] ? tun_chr_read_iter+0x250/0x250 [ 67.567191][ T8475] ? _down_write_nest_lock+0x150/0x150 [ 67.572640][ T8475] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.578873][ T8475] ? tun_chr_ioctl+0x50/0x50 [ 67.583448][ T8475] __do_compat_sys_ioctl+0x1d3/0x230 [ 67.588730][ T8475] __do_fast_syscall_32+0x56/0x80 [ 67.593763][ T8475] do_fast_syscall_32+0x2f/0x70 [ 67.598603][ T8475] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 67.604929][ T8475] RIP: 0023:0xf7f62549 [ 67.608988][ T8475] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 67.628587][ T8475] RSP: 002b:00000000ffd287dc EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 67.637003][ T8475] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000400454cd [ 67.644963][ T8475] RDX: 0000000000000118 RSI: 0000000000000036 RDI: 0000000000000003 [ 67.652918][ T8475] RBP: 00000000400454ca R08: 0000000000000000 R09: 0000000000000000 [ 67.660871][ T8475] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 67.668824][ T8475] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.676784][ T8475] Modules linked in: [ 67.680962][ T8475] ---[ end trace 85d2c491c00ab542 ]--- [ 67.686416][ T8475] RIP: 0010:j1939_priv_get_by_ndev_locked+0xff/0x220 [ 67.693148][ T8475] Code: a0 05 00 00 48 85 db 0f 84 a8 00 00 00 e8 79 d0 8f f9 48 8d bb 28 60 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 01 01 00 00 4c 8b a3 28 60 00 00 4d 85 e4 74 75 [ 67.712797][ T8475] RSP: 0018:ffffc90001fdfc48 EFLAGS: 00010202 [ 67.718954][ T8475] RAX: dffffc0000000000 RBX: 0000607f46034120 RCX: 0000000000000000 [ 67.726970][ T8475] RDX: 00000c0fe8c07429 RSI: ffffffff87e30427 RDI: 0000607f4603a148 [ 67.734999][ T8475] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000118 [ 67.743003][ T8475] R10: ffffffff87e303df R11: 0000000000000118 R12: 0000000000000118 [ 67.751004][ T8475] R13: ffffffff8d692360 R14: 0000000000000000 R15: ffffffff8d65b4a0 [ 67.759107][ T8475] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000009c8a2c0 [ 67.768072][ T8475] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 67.774682][ T8475] CR2: 000055cfb5886428 CR3: 00000000120a7000 CR4: 00000000001506f0 [ 67.782675][ T8475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.790860][ T8475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.798843][ T8475] Kernel panic - not syncing: Fatal exception [ 67.805640][ T8475] Kernel Offset: disabled [ 67.809949][ T8475] Rebooting in 86400 seconds..