Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. executing program [ 65.950882][ T7094] dummy0 speed is unknown, defaulting to 1000 [ 65.958251][ T7094] dummy0 speed is unknown, defaulting to 1000 [ 65.966083][ T7094] dummy0 speed is unknown, defaulting to 1000 [ 66.060064][ T7094] infiniband syz0: set down [ 66.065153][ T12] dummy0 speed is unknown, defaulting to 1000 [ 66.071407][ T7094] infiniband syz0: added dummy0 [ 66.128251][ T7094] general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN [ 66.140115][ T7094] KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477] [ 66.148621][ T7094] CPU: 0 PID: 7094 Comm: syz-executor457 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0 [ 66.159608][ T7094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.171679][ T7094] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 66.177464][ T7094] Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 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 5a [ 66.197314][ T7094] RSP: 0018:ffffc90003eb6fe0 EFLAGS: 00010206 [ 66.203360][ T7094] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8755514a [ 66.211324][ T7094] RDX: 000000000000008e RSI: ffffffff87555168 RDI: 0000000000000470 [ 66.219519][ T7094] RBP: 0000000000000001 R08: ffff888094c64200 R09: ffffed101291a89f [ 66.227475][ T7094] R10: ffff8880948d44f7 R11: ffffed101291a89e R12: ffff8880948d4000 [ 66.235456][ T7094] R13: ffff8880948d4580 R14: ffff8880948d44e8 R15: ffffffff875550f0 [ 66.243423][ T7094] FS: 0000000000bc7880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 66.252346][ T7094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.258932][ T7094] CR2: 00007ffe8075e5b7 CR3: 00000000a8542000 CR4: 00000000001406f0 [ 66.266882][ T7094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.275392][ T7094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.283978][ T7094] Call Trace: [ 66.287324][ T7094] ? rds_ib_remove_one+0x280/0x280 [ 66.292499][ T7094] add_client_context+0x400/0x560 [ 66.297662][ T7094] ? ib_device_get_by_netdev+0x510/0x510 [ 66.303708][ T7094] ? rxe_enable_driver+0x63/0x90 [ 66.309390][ T7094] enable_device_and_get+0x1cd/0x3b0 [ 66.314682][ T7094] ? add_one_compat_dev+0x800/0x800 [ 66.319880][ T7094] ? rxe_ib_alloc_hw_stats+0xf9/0x130 [ 66.325256][ T7094] ib_register_device+0xa12/0xda0 [ 66.330936][ T7094] ? enable_device_and_get+0x3b0/0x3b0 [ 66.337549][ T7094] ? crypto_create_tfm+0x118/0x2f0 [ 66.342978][ T7094] ? crypto_alloc_tfm+0x124/0x340 [ 66.347986][ T7094] ? ib_device_set_netdev+0x499/0x680 [ 66.353359][ T7094] rxe_register_device+0x4fa/0x621 [ 66.358478][ T7094] rxe_add+0x1353/0x17df [ 66.362702][ T7094] rxe_net_add+0x8c/0xe0 [ 66.368545][ T7094] rxe_newlink+0x34/0x90 [ 66.372784][ T7094] nldev_newlink+0x29e/0x420 [ 66.377546][ T7094] ? nldev_set_doit+0x410/0x410 [ 66.382527][ T7094] ? lock_release+0x800/0x800 [ 66.387185][ T7094] ? apparmor_capable+0x49c/0x8a0 [ 66.392203][ T7094] ? apparmor_capable+0x49c/0x8a0 [ 66.397217][ T7094] ? apparmor_cred_prepare+0x760/0x760 [ 66.402748][ T7094] ? apparmor_cred_prepare+0x760/0x760 [ 66.408193][ T7094] ? cap_capable+0x1eb/0x250 [ 66.412765][ T7094] ? ns_capable_common+0xe2/0x100 [ 66.417778][ T7094] ? nldev_set_doit+0x410/0x410 [ 66.423226][ T7094] rdma_nl_rcv+0x586/0x900 [ 66.427969][ T7094] ? rdma_nl_multicast+0x310/0x310 [ 66.433109][ T7094] ? netlink_deliver_tap+0x227/0xb50 [ 66.438535][ T7094] netlink_unicast+0x537/0x740 [ 66.443316][ T7094] ? netlink_attachskb+0x810/0x810 [ 66.448417][ T7094] ? _copy_from_iter_full+0x25c/0x870 [ 66.453806][ T7094] ? __phys_addr_symbol+0x2c/0x70 [ 66.460038][ T7094] ? __check_object_size+0x171/0x437 [ 66.465317][ T7094] netlink_sendmsg+0x882/0xe10 [ 66.470085][ T7094] ? aa_af_perm+0x260/0x260 [ 66.474668][ T7094] ? netlink_unicast+0x740/0x740 [ 66.479609][ T7094] ? netlink_unicast+0x740/0x740 [ 66.484999][ T7094] sock_sendmsg+0xcf/0x120 [ 66.489612][ T7094] ____sys_sendmsg+0x6bf/0x7e0 [ 66.494378][ T7094] ? kernel_sendmsg+0x50/0x50 [ 66.499060][ T7094] ? lock_downgrade+0x840/0x840 [ 66.504302][ T7094] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.510093][ T7094] ___sys_sendmsg+0x100/0x170 [ 66.514774][ T7094] ? sendmsg_copy_msghdr+0x70/0x70 [ 66.519898][ T7094] ? mark_held_locks+0xe0/0xe0 [ 66.525600][ T7094] ? prep_transhuge_page+0xa0/0xa0 [ 66.530706][ T7094] ? pud_val+0x7c/0xf0 [ 66.534772][ T7094] ? pmd_val+0xf0/0xf0 [ 66.538833][ T7094] ? percpu_counter_add_batch+0x123/0x180 [ 66.544533][ T7094] ? find_held_lock+0x2d/0x110 [ 66.549368][ T7094] ? do_page_fault+0x59e/0x13da [ 66.554212][ T7094] ? vm_insert_pages+0x6a0/0x6a0 [ 66.559231][ T7094] ? lock_downgrade+0x840/0x840 [ 66.564585][ T7094] ? __fget_light+0x1ab/0x270 [ 66.569260][ T7094] __sys_sendmsg+0xec/0x1b0 [ 66.573767][ T7094] ? __sys_sendmsg_sock+0xb0/0xb0 [ 66.578801][ T7094] ? down_read_nested+0x430/0x430 [ 66.583835][ T7094] ? trace_hardirqs_off_caller+0x55/0x230 [ 66.589653][ T7094] ? do_syscall_64+0x21/0x7d0 [ 66.594322][ T7094] do_syscall_64+0xf6/0x7d0 [ 66.599245][ T7094] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 66.605215][ T7094] RIP: 0033:0x440369 [ 66.609090][ T7094] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.629091][ T7094] RSP: 002b:00007ffffeade318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.637629][ T7094] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 [ 66.646043][ T7094] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 66.654398][ T7094] RBP: 00000000006ca018 R08: 0000000000000014 R09: 00000000004002c8 [ 66.662381][ T7094] R10: 0000000000000041 R11: 0000000000000246 R12: 0000000000401bf0 [ 66.670363][ T7094] R13: 0000000000401c80 R14: 0000000000000000 R15: 0000000000000000 [ 66.678332][ T7094] Modules linked in: [ 66.693603][ T7094] ---[ end trace d96a3c5e909b73d5 ]--- [ 66.699086][ T7094] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 66.704612][ T7094] Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 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 5a [ 66.725522][ T7094] RSP: 0018:ffffc90003eb6fe0 EFLAGS: 00010206 [ 66.731709][ T7094] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8755514a [ 66.739808][ T7094] RDX: 000000000000008e RSI: ffffffff87555168 RDI: 0000000000000470 [ 66.748107][ T7094] RBP: 0000000000000001 R08: ffff888094c64200 R09: ffffed101291a89f [ 66.756260][ T7094] R10: ffff8880948d44f7 R11: ffffed101291a89e R12: ffff8880948d4000 [ 66.764495][ T7094] R13: ffff8880948d4580 R14: ffff8880948d44e8 R15: ffffffff875550f0 [ 66.772485][ T7094] FS: 0000000000bc7880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 66.781456][ T7094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.788091][ T7094] CR2: 00007f5c3feaa000 CR3: 00000000a8542000 CR4: 00000000001406f0 [ 66.796221][ T7094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.804415][ T7094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.812372][ T7094] Kernel panic - not syncing: Fatal exception [ 66.820269][ T7094] Kernel Offset: disabled [ 66.824694][ T7094] Rebooting in 86400 seconds..