Warning: Permanently added '10.128.0.164' (ECDSA) to the list of known hosts.
syzkaller login: [   76.905125][ T8445] general protection fault, probably for non-canonical address 0xdffffc00000000b3: 0000 [#1] PREEMPT SMP KASAN
[   76.917274][ T8445] KASAN: null-ptr-deref in range [0x0000000000000598-0x000000000000059f]
[   76.925679][ T8445] CPU: 0 PID: 8445 Comm: syz-executor179 Not tainted 5.14.0-rc2-syzkaller #0
[   76.934521][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   76.944652][ T8445] RIP: 0010:add_del_if+0x57/0x140
[   76.949694][ T8445] Code: 03 80 3c 02 00 0f 85 fd 00 00 00 48 8b 9d 88 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 98 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ca 00 00 00 4c 8b ab 98 05 00 00 48 b8 00 00 00
[   76.969629][ T8445] RSP: 0018:ffffc900017ffa80 EFLAGS: 00010202
[   76.975730][ T8445] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   76.983776][ T8445] RDX: 00000000000000b3 RSI: ffffffff87f667b6 RDI: 0000000000000598
[   76.991993][ T8445] RBP: ffff88801f79cc00 R08: 00000000000089a2 R09: ffffffff87f67f36
[   76.999950][ T8445] R10: ffffffff87f68031 R11: 00000000000089a2 R12: 0000000000000001
[   77.009141][ T8445] R13: ffffc900017ffd60 R14: 0000000000000000 R15: dffffc0000000000
[   77.017876][ T8445] FS:  00000000015e4300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   77.027053][ T8445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.033973][ T8445] CR2: 0000000020000180 CR3: 0000000021223000 CR4: 00000000001506f0
[   77.042189][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   77.050232][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   77.058463][ T8445] Call Trace:
[   77.061925][ T8445]  br_ioctl_stub+0x1c6/0x7f0
[   77.066521][ T8445]  ? br_dev_siocdevprivate+0x15c0/0x15c0
[   77.072405][ T8445]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   77.078635][ T8445]  ? full_name_hash+0xb5/0xf0
[   77.083295][ T8445]  ? br_dev_siocdevprivate+0x15c0/0x15c0
[   77.088921][ T8445]  br_ioctl_call+0x5e/0xa0
[   77.094020][ T8445]  dev_ifsioc+0xc1f/0xf60
[   77.098332][ T8445]  ? dev_load+0x79/0x200
executing program
[   77.102582][ T8445]  ? sock_diag_broadcast_destroy+0x1a0/0x1a0
[   77.108852][ T8445]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   77.115374][ T8445]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   77.121893][ T8445]  ? netdev_name_node_lookup_rcu+0x108/0x150
[   77.127869][ T8445]  dev_ioctl+0x1b9/0xee0
[   77.132145][ T8445]  sock_do_ioctl+0x18b/0x210
[   77.136840][ T8445]  ? put_user_ifreq+0x140/0x140
[   77.141783][ T8445]  sock_ioctl+0x2f1/0x640
[   77.146218][ T8445]  ? br_ioctl_call+0xa0/0xa0
[   77.150789][ T8445]  ? lock_downgrade+0x6e0/0x6e0
[   77.155759][ T8445]  ? lock_downgrade+0x6e0/0x6e0
[   77.160603][ T8445]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   77.166913][ T8445]  ? br_ioctl_call+0xa0/0xa0
[   77.171573][ T8445]  __x64_sys_ioctl+0x193/0x200
[   77.176349][ T8445]  do_syscall_64+0x35/0xb0
[   77.180759][ T8445]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   77.186998][ T8445] RIP: 0033:0x43ee49
[   77.190882][ T8445] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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
[   77.210921][ T8445] RSP: 002b:00007ffd035737d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   77.219403][ T8445] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee49
[   77.227356][ T8445] RDX: 0000000020000180 RSI: 00000000000089a2 RDI: 0000000000000003
[   77.235576][ T8445] RBP: 0000000000402e30 R08: 0000000000000000 R09: 0000000000400488
[   77.244149][ T8445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402ec0
[   77.252790][ T8445] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488
[   77.260927][ T8445] Modules linked in:
[   77.265470][ T8445] ---[ end trace c8f1d55cede3e964 ]---
[   77.271019][ T8445] RIP: 0010:add_del_if+0x57/0x140
[   77.276327][ T8445] Code: 03 80 3c 02 00 0f 85 fd 00 00 00 48 8b 9d 88 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 98 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ca 00 00 00 4c 8b ab 98 05 00 00 48 b8 00 00 00
[   77.296771][ T8445] RSP: 0018:ffffc900017ffa80 EFLAGS: 00010202
[   77.302920][ T8445] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   77.310905][ T8445] RDX: 00000000000000b3 RSI: ffffffff87f667b6 RDI: 0000000000000598
[   77.319240][ T8445] RBP: ffff88801f79cc00 R08: 00000000000089a2 R09: ffffffff87f67f36
[   77.327266][ T8445] R10: ffffffff87f68031 R11: 00000000000089a2 R12: 0000000000000001
[   77.335386][ T8445] R13: ffffc900017ffd60 R14: 0000000000000000 R15: dffffc0000000000
[   77.344514][ T8445] FS:  00000000015e4300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   77.353843][ T8445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.360554][ T8445] CR2: 0000000020000180 CR3: 0000000021223000 CR4: 00000000001506f0
[   77.368593][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   77.376755][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   77.384830][ T8445] Kernel panic - not syncing: Fatal exception
[   77.392730][ T8445] Kernel Offset: disabled
[   77.397049][ T8445] Rebooting in 86400 seconds..