[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. syzkaller login: [ 68.725393][ T8399] IPVS: ftp: loaded support on port[0] = 21 [ 68.725399][ T8396] IPVS: ftp: loaded support on port[0] = 21 [ 68.735497][ T8398] IPVS: ftp: loaded support on port[0] = 21 [ 68.742447][ T8400] IPVS: ftp: loaded support on port[0] = 21 [ 68.750961][ T8401] IPVS: ftp: loaded support on port[0] = 21 [ 68.761447][ T8394] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.209271][T10397] general protection fault, probably for non-canonical address 0xdffffc00f14cfc2c: 0000 [#1] PREEMPT SMP KASAN [ 76.221018][T10397] KASAN: probably user-memory-access in range [0x000000078a67e160-0x000000078a67e167] [ 76.230641][T10397] CPU: 0 PID: 10397 Comm: syz-executor900 Not tainted 5.12.0-rc4-syzkaller #0 [ 76.239466][T10397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.249502][T10397] RIP: 0010:__ethtool_get_link_ksettings+0x1a3/0x3a0 [ 76.256195][T10397] Code: ed 3a fa 83 fd ff 0f 84 30 01 00 00 e8 76 e5 3a fa 48 8d 3c ed 60 9d 6b 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 [ 76.275822][T10397] RSP: 0018:ffffc900032af7a0 EFLAGS: 00010202 [ 76.281870][T10397] RAX: dffffc0000000000 RBX: ffff88802e85d608 RCX: 0000000000000000 [ 76.289823][T10397] RDX: 00000000f14cfc2c RSI: ffffffff87390bfa RDI: 000000078a67e160 [ 76.297776][T10397] RBP: 00000000ffff8880 R08: 00000000ffffffff R09: ffff88802e85d66f [ 76.305728][T10397] R10: ffffffff87390bec R11: 0000000000000000 R12: 0000000000000000 [ 76.313678][T10397] R13: ffff88802e85d66c R14: ffff8880180e4210 R15: ffff8880180e4210 [ 76.321631][T10397] FS: 000000000189e300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.330561][T10397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.337126][T10397] CR2: 00000000004ba2f0 CR3: 0000000023c19000 CR4: 00000000001506f0 [ 76.346034][T10397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.353984][T10397] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.361937][T10397] Call Trace: [ 76.365214][T10397] linkinfo_prepare_data+0xfd/0x280 [ 76.370421][T10397] ethnl_default_notify+0x1dc/0x630 [ 76.375607][T10397] ? ethnl_multicast+0x120/0x120 [ 76.380528][T10397] ethtool_notify+0xbd/0x1f0 [ 76.385101][T10397] ethtool_set_link_ksettings+0x277/0x330 [ 76.390804][T10397] ? load_link_ksettings_from_user+0x140/0x140 [ 76.396941][T10397] ? dev_ethtool+0x22a/0x45d0 [ 76.401714][T10397] dev_ethtool+0x2b35/0x45d0 [ 76.406299][T10397] ? ethtool_virtdev_set_link_ksettings+0x170/0x170 [ 76.412876][T10397] ? lock_release+0x720/0x720 [ 76.417551][T10397] ? __mutex_lock+0x620/0x1120 [ 76.422308][T10397] ? dev_ioctl+0x458/0xb70 [ 76.426709][T10397] ? mutex_lock_io_nested+0xf70/0xf70 [ 76.432063][T10397] ? dev_load+0xab/0x200 [ 76.436288][T10397] ? lock_downgrade+0x6e0/0x6e0 [ 76.441122][T10397] ? lock_downgrade+0x6e0/0x6e0 [ 76.445954][T10397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.452192][T10397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.458416][T10397] ? netdev_name_node_lookup_rcu+0x108/0x150 [ 76.464385][T10397] dev_ioctl+0x463/0xb70 [ 76.468639][T10397] sock_do_ioctl+0x148/0x2d0 [ 76.473212][T10397] ? compat_ifr_data_ioctl+0x150/0x150 [ 76.478655][T10397] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 76.484533][T10397] ? generic_block_fiemap+0x60/0x60 [ 76.489716][T10397] ? find_held_lock+0x2d/0x110 [ 76.494550][T10397] sock_ioctl+0x477/0x6a0 [ 76.498861][T10397] ? vlan_ioctl_set+0x30/0x30 [ 76.503715][T10397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.509936][T10397] ? vlan_ioctl_set+0x30/0x30 [ 76.514596][T10397] __x64_sys_ioctl+0x193/0x200 [ 76.519344][T10397] do_syscall_64+0x2d/0x70 [ 76.523753][T10397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.529658][T10397] RIP: 0033:0x440da9 [ 76.533538][T10397] 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 [ 76.553145][T10397] RSP: 002b:00007ffccfeb4088 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.561539][T10397] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440da9 [ 76.569495][T10397] RDX: 0000000020000380 RSI: 0000000000008946 RDI: 0000000000000003 [ 76.577445][T10397] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 76.585399][T10397] R10: 00007ffccfeb3b00 R11: 0000000000000246 R12: 0000000000012992 [ 76.593415][T10397] R13: 00007ffccfeb40b0 R14: 00007ffccfeb40a0 R15: 00007ffccfeb4094 [ 76.601421][T10397] Modules linked in: executing program executing program executing program [ 76.609496][T10397] ---[ end trace 8b76b84d7d4adee7 ]--- [ 76.615069][T10397] RIP: 0010:__ethtool_get_link_ksettings+0x1a3/0x3a0 [ 76.622480][T10397] Code: ed 3a fa 83 fd ff 0f 84 30 01 00 00 e8 76 e5 3a fa 48 8d 3c ed 60 9d 6b 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 [ 76.642349][T10397] RSP: 0018:ffffc900032af7a0 EFLAGS: 00010202 [ 76.648951][T10397] RAX: dffffc0000000000 RBX: ffff88802e85d608 RCX: 0000000000000000 [ 76.657184][T10397] RDX: 00000000f14cfc2c RSI: ffffffff87390bfa RDI: 000000078a67e160 [ 76.665178][T10397] RBP: 00000000ffff8880 R08: 00000000ffffffff R09: ffff88802e85d66f [ 76.673248][T10397] R10: ffffffff87390bec R11: 0000000000000000 R12: 0000000000000000 [ 76.681420][T10397] R13: ffff88802e85d66c R14: ffff8880180e4210 R15: ffff8880180e4210 [ 76.689434][T10397] FS: 000000000189e300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.698420][T10397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.705018][T10397] CR2: 00007f19c003e038 CR3: 0000000023c19000 CR4: 00000000001506f0 [ 76.713029][T10397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.721172][T10397] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.729193][T10397] Kernel panic - not syncing: Fatal exception [ 76.735970][T10397] Kernel Offset: disabled [ 76.740288][T10397] Rebooting in 86400 seconds..