Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 67.950918][ T8424] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program [ 68.038572][ T8452] general protection fault, probably for non-canonical address 0xdffffc00f14cc32c: 0000 [#1] PREEMPT SMP KASAN [ 68.050301][ T8452] KASAN: probably user-memory-access in range [0x000000078a661960-0x000000078a661967] [ 68.059843][ T8452] CPU: 0 PID: 8452 Comm: syz-executor360 Not tainted 5.11.0-syzkaller #0 [ 68.068249][ T8452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.078319][ T8452] RIP: 0010:__ethtool_get_link_ksettings+0x1a3/0x3a0 [ 68.085015][ T8452] Code: b7 3e fa 83 fd ff 0f 84 30 01 00 00 e8 16 b0 3e fa 48 8d 3c ed 60 d5 69 8a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b9 [ 68.104635][ T8452] RSP: 0018:ffffc900019df7a0 EFLAGS: 00010202 [ 68.110763][ T8452] RAX: dffffc0000000000 RBX: ffff888026136008 RCX: 0000000000000000 [ 68.118750][ T8452] RDX: 00000000f14cc32c RSI: ffffffff873439ca RDI: 000000078a661960 [ 68.126816][ T8452] RBP: 00000000ffff8880 R08: 00000000ffffffff R09: ffff88802613606f [ 68.134910][ T8452] R10: ffffffff873439bc R11: 0000000000000000 R12: 0000000000000000 [ 68.142888][ T8452] R13: ffff88802613606c R14: ffff888011d0c210 R15: ffff888011d0c210 [ 68.150957][ T8452] FS: 0000000000749300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 68.159874][ T8452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.166462][ T8452] CR2: 00000000004b60f0 CR3: 00000000185c2000 CR4: 00000000001506f0 [ 68.174447][ T8452] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.182525][ T8452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.190569][ T8452] Call Trace: [ 68.193929][ T8452] linkinfo_prepare_data+0xfd/0x280 [ 68.199206][ T8452] ethnl_default_notify+0x1dc/0x630 [ 68.204392][ T8452] ? ethnl_multicast+0x120/0x120 [ 68.209601][ T8452] ethtool_notify+0xbd/0x1f0 [ 68.214207][ T8452] ethtool_set_link_ksettings+0x277/0x330 [ 68.219915][ T8452] ? load_link_ksettings_from_user+0x140/0x140 [ 68.226102][ T8452] ? dev_ethtool+0x22a/0x45d0 [ 68.230766][ T8452] dev_ethtool+0x2b35/0x45d0 [ 68.236298][ T8452] ? ethtool_virtdev_set_link_ksettings+0x170/0x170 [ 68.242875][ T8452] ? lock_release+0x710/0x710 [ 68.247545][ T8452] ? __mutex_lock+0x61b/0x1110 [ 68.252327][ T8452] ? dev_ioctl+0x458/0xb70 [ 68.256731][ T8452] ? mutex_lock_io_nested+0xf60/0xf60 [ 68.262103][ T8452] ? dev_load+0xab/0x200 [ 68.266332][ T8452] ? lock_downgrade+0x6d0/0x6d0 [ 68.271183][ T8452] ? lock_downgrade+0x6d0/0x6d0 [ 68.276038][ T8452] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.282296][ T8452] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.288537][ T8452] ? netdev_name_node_lookup_rcu+0x108/0x150 [ 68.294529][ T8452] dev_ioctl+0x463/0xb70 [ 68.298779][ T8452] sock_do_ioctl+0x148/0x2d0 [ 68.303381][ T8452] ? compat_ifr_data_ioctl+0x150/0x150 [ 68.308834][ T8452] ? lockdep_hardirqs_on+0x79/0x100 [ 68.314056][ T8452] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 68.320203][ T8452] ? __x64_sys_ioctl+0x118/0x200 [ 68.325131][ T8452] sock_ioctl+0x477/0x6a0 [ 68.329461][ T8452] ? vlan_ioctl_set+0x30/0x30 [ 68.334282][ T8452] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.340518][ T8452] ? vmacache_update+0xce/0x140 [ 68.345368][ T8452] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.351611][ T8452] ? vlan_ioctl_set+0x30/0x30 [ 68.356288][ T8452] __x64_sys_ioctl+0x193/0x200 [ 68.361044][ T8452] do_syscall_64+0x2d/0x70 [ 68.365451][ T8452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.371349][ T8452] RIP: 0033:0x440c79 [ 68.375230][ T8452] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 68.395754][ T8452] RSP: 002b:00007ffe7a6e6fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.404860][ T8452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440c79 [ 68.413084][ T8452] RDX: 0000000020000380 RSI: 0000000000008946 RDI: 0000000000000004 [ 68.421059][ T8452] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 68.429025][ T8452] R10: 0000000000f0b5ff R11: 0000000000000246 R12: 00000000000109be [ 68.437074][ T8452] R13: 00007ffe7a6e6ff0 R14: 00007ffe7a6e6fe0 R15: 00007ffe7a6e6fd4 [ 68.445156][ T8452] Modules linked in: [ 68.453290][ T8452] ---[ end trace 881142e6c455c35b ]--- [ 68.459184][ T8452] RIP: 0010:__ethtool_get_link_ksettings+0x1a3/0x3a0 [ 68.476815][ T8452] Code: b7 3e fa 83 fd ff 0f 84 30 01 00 00 e8 16 b0 3e fa 48 8d 3c ed 60 d5 69 8a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b9 [ 68.497293][ T8452] RSP: 0018:ffffc900019df7a0 EFLAGS: 00010202 [ 68.503943][ T8452] RAX: dffffc0000000000 RBX: ffff888026136008 RCX: 0000000000000000 [ 68.512780][ T8452] RDX: 00000000f14cc32c RSI: ffffffff873439ca RDI: 000000078a661960 [ 68.521229][ T8452] RBP: 00000000ffff8880 R08: 00000000ffffffff R09: ffff88802613606f [ 68.529769][ T8452] R10: ffffffff873439bc R11: 0000000000000000 R12: 0000000000000000 [ 68.537915][ T8452] R13: ffff88802613606c R14: ffff888011d0c210 R15: ffff888011d0c210 [ 68.546274][ T8452] FS: 0000000000749300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 68.555379][ T8452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.562027][ T8452] CR2: 00007f4f9803d058 CR3: 00000000185c2000 CR4: 00000000001506e0 [ 68.570135][ T8452] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.578157][ T8452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.586306][ T8452] Kernel panic - not syncing: Fatal exception [ 68.593265][ T8452] Kernel Offset: disabled [ 68.597601][ T8452] Rebooting in 86400 seconds..