Warning: Permanently added '10.128.10.50' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 96.629062][ T9766] IPVS: ftp: loaded support on port[0] = 21 [ 96.753208][ T9766] infiniband syz1: set active [ 96.759128][ T9766] infiniband syz1: added syz_tun [ 96.783863][ T9766] general protection fault, probably for non-canonical address 0xdffffc0000000086: 0000 [#1] PREEMPT SMP KASAN [ 96.795612][ T9766] KASAN: null-ptr-deref in range [0x0000000000000430-0x0000000000000437] [ 96.804028][ T9766] CPU: 1 PID: 9766 Comm: syz-executor801 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0 [ 96.813951][ T9766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.824270][ T9766] RIP: 0010:rds_ib_add_one+0xbb/0xc80 [ 96.829630][ T9766] Code: 80 3c 02 00 0f 85 3a 0a 00 00 49 8b 9c 24 a8 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 04 00 00 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 4f [ 96.849341][ T9766] RSP: 0018:ffffc90002e56fe0 EFLAGS: 00010202 [ 96.855400][ T9766] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff873e8c5a [ 96.863436][ T9766] RDX: 0000000000000086 RSI: ffffffff873e8c78 RDI: 0000000000000430 [ 96.871406][ T9766] RBP: 0000000000000001 R08: ffff88809c74e380 R09: ffffed101074389c [ 96.879456][ T9766] R10: ffffed101074389b R11: ffff888083a1c4df R12: ffff888083a1c000 [ 96.887422][ T9766] R13: ffff888083a1c558 R14: ffff888083a1c4d0 R15: ffffffff873e8c00 [ 96.895592][ T9766] FS: 0000000001edf880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 96.904638][ T9766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.911525][ T9766] CR2: 0000000020000000 CR3: 000000009f492000 CR4: 00000000001406e0 [ 96.919491][ T9766] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.927458][ T9766] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.935724][ T9766] Call Trace: [ 96.939082][ T9766] ? rds_ib_remove_one+0x280/0x280 [ 96.944216][ T9766] add_client_context+0x400/0x560 [ 96.949240][ T9766] ? ib_device_get_by_netdev+0x510/0x510 [ 96.954920][ T9766] ? rxe_enable_driver+0x63/0x90 [ 96.960153][ T9766] enable_device_and_get+0x1cd/0x3b0 [ 96.965433][ T9766] ? add_one_compat_dev+0x7e0/0x7e0 [ 96.970947][ T9766] ? rxe_ib_alloc_hw_stats+0xf9/0x130 [ 96.976362][ T9766] ib_register_device+0xa12/0xda0 [ 96.981480][ T9766] ? enable_device_and_get+0x3b0/0x3b0 [ 96.987060][ T9766] ? crypto_create_tfm+0x118/0x2f0 [ 96.992510][ T9766] ? crypto_alloc_tfm+0x124/0x340 [ 96.997527][ T9766] ? ib_device_set_netdev+0x499/0x680 [ 97.003075][ T9766] rxe_register_device+0x4fa/0x621 [ 97.008321][ T9766] rxe_add+0x1227/0x1664 [ 97.012555][ T9766] rxe_net_add+0x8c/0xe0 [ 97.016854][ T9766] rxe_newlink+0x34/0x90 [ 97.021162][ T9766] nldev_newlink+0x27f/0x400 [ 97.025886][ T9766] ? nldev_set_doit+0x3e0/0x3e0 [ 97.030876][ T9766] ? apparmor_capable+0x49c/0x8a0 [ 97.036003][ T9766] ? apparmor_capable+0x49c/0x8a0 [ 97.041135][ T9766] ? apparmor_cred_prepare+0x760/0x760 [ 97.046804][ T9766] ? apparmor_cred_prepare+0x760/0x760 [ 97.052579][ T9766] ? cap_capable+0x1eb/0x250 [ 97.057284][ T9766] ? ns_capable_common+0xe2/0x100 [ 97.062305][ T9766] ? nldev_set_doit+0x3e0/0x3e0 [ 97.067207][ T9766] rdma_nl_rcv+0x586/0x900 [ 97.071623][ T9766] ? rdma_nl_multicast+0x310/0x310 [ 97.076730][ T9766] ? netlink_deliver_tap+0x227/0xb50 [ 97.082376][ T9766] netlink_unicast+0x537/0x740 [ 97.087408][ T9766] ? netlink_attachskb+0x810/0x810 [ 97.092514][ T9766] ? _copy_from_iter_full+0x25c/0x870 [ 97.097883][ T9766] ? __phys_addr_symbol+0x2c/0x70 [ 97.102903][ T9766] ? __check_object_size+0x171/0x437 [ 97.108188][ T9766] netlink_sendmsg+0x882/0xe10 [ 97.112990][ T9766] ? aa_af_perm+0x260/0x260 [ 97.117520][ T9766] ? netlink_unicast+0x740/0x740 [ 97.122487][ T9766] ? netlink_unicast+0x740/0x740 [ 97.127412][ T9766] sock_sendmsg+0xcf/0x120 [ 97.131847][ T9766] ____sys_sendmsg+0x6b9/0x7d0 [ 97.136601][ T9766] ? kernel_sendmsg+0x50/0x50 [ 97.141268][ T9766] ? mark_lock+0xbc/0x1220 [ 97.145676][ T9766] ___sys_sendmsg+0x100/0x170 [ 97.150387][ T9766] ? lockdep_hardirqs_on+0x417/0x5d0 [ 97.155659][ T9766] ? sendmsg_copy_msghdr+0x70/0x70 [ 97.160780][ T9766] ? prep_transhuge_page+0xa0/0xa0 [ 97.165881][ T9766] ? pud_val+0x7c/0xf0 [ 97.169938][ T9766] ? pmd_val+0xf0/0xf0 [ 97.173989][ T9766] ? __lock_acquire+0x827/0x5270 [ 97.178921][ T9766] ? find_held_lock+0x2d/0x110 [ 97.183683][ T9766] ? do_page_fault+0x58b/0x12da [ 97.188541][ T9766] ? vm_insert_pages+0x6a0/0x6a0 [ 97.193504][ T9766] ? lock_downgrade+0x7f0/0x7f0 [ 97.198391][ T9766] ? __fget_light+0x1a5/0x270 [ 97.203064][ T9766] __sys_sendmsg+0xec/0x1b0 [ 97.207560][ T9766] ? __sys_sendmsg_sock+0xb0/0xb0 [ 97.212582][ T9766] ? trace_hardirqs_off_caller+0x55/0x230 [ 97.218296][ T9766] ? do_syscall_64+0x21/0x790 [ 97.223007][ T9766] do_syscall_64+0xf6/0x790 [ 97.227506][ T9766] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.233396][ T9766] RIP: 0033:0x4413c9 [ 97.237473][ T9766] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 6b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.258011][ T9766] RSP: 002b:00007ffcc6405a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.266633][ T9766] RAX: ffffffffffffffda RBX: 00007ffcc6405aa0 RCX: 00000000004413c9 [ 97.274823][ T9766] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 97.282969][ T9766] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 97.291222][ T9766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 97.299492][ T9766] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 97.307990][ T9766] Modules linked in: [ 97.312825][ T9766] ---[ end trace a905b93e3cc1aaaf ]--- [ 97.318402][ T9766] RIP: 0010:rds_ib_add_one+0xbb/0xc80 [ 97.323896][ T9766] Code: 80 3c 02 00 0f 85 3a 0a 00 00 49 8b 9c 24 a8 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 04 00 00 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 4f [ 97.343547][ T9766] RSP: 0018:ffffc90002e56fe0 EFLAGS: 00010202 [ 97.349637][ T9766] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff873e8c5a [ 97.357945][ T9766] RDX: 0000000000000086 RSI: ffffffff873e8c78 RDI: 0000000000000430 [ 97.366174][ T9766] RBP: 0000000000000001 R08: ffff88809c74e380 R09: ffffed101074389c [ 97.374306][ T9766] R10: ffffed101074389b R11: ffff888083a1c4df R12: ffff888083a1c000 [ 97.382317][ T9766] R13: ffff888083a1c558 R14: ffff888083a1c4d0 R15: ffffffff873e8c00 [ 97.390389][ T9766] FS: 0000000001edf880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 97.399386][ T9766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.405973][ T9766] CR2: 0000000020000000 CR3: 000000009f492000 CR4: 00000000001406e0 [ 97.413980][ T9766] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.421982][ T9766] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.430331][ T9766] Kernel panic - not syncing: Fatal exception [ 97.438020][ T9766] Kernel Offset: disabled [ 97.442438][ T9766] Rebooting in 86400 seconds..