[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.542495][ T6768] IPVS: ftp: loaded support on port[0] = 21 [ 42.651949][ T6768] infiniband syz0: set active [ 42.657057][ T6768] infiniband syz0: added syz_tun [ 42.689857][ T6768] general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN [ 42.702288][ T6768] KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477] [ 42.710781][ T6768] CPU: 0 PID: 6768 Comm: syz-executor440 Not tainted 5.7.0-syzkaller #0 [ 42.719091][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.729261][ T6768] RIP: 0010:rds_ib_add_one+0x81/0xd70 [ 42.734690][ T6768] Code: f0 06 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 ef 81 1f fa bb 70 04 00 00 48 03 5d 00 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 25 0a 00 00 8b 1b 48 c7 c0 e8 53 0b 89 48 [ 42.754458][ T6768] RSP: 0018:ffffc900010773e0 EFLAGS: 00010206 [ 42.760508][ T6768] RAX: 000000000000008e RBX: 0000000000000470 RCX: 0000000000000000 [ 42.768468][ T6768] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 42.776439][ T6768] RBP: ffff888091f846f0 R08: ffffffff879213ba R09: ffffed10123f089f [ 42.784399][ T6768] R10: ffffed10123f089f R11: 0000000000000000 R12: ffff888091f84000 [ 42.792707][ T6768] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12c3f6f [ 42.800747][ T6768] FS: 0000000002472880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 42.809664][ T6768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.816231][ T6768] CR2: 00007fa091bd2710 CR3: 0000000099a16000 CR4: 00000000001406f0 [ 42.824177][ T6768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.832137][ T6768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.840095][ T6768] Call Trace: [ 42.843386][ T6768] ? rds_ib_get_client_data+0x1a0/0x1a0 [ 42.849073][ T6768] add_client_context+0x469/0x660 [ 42.854070][ T6768] enable_device_and_get+0x15b/0x370 [ 42.859505][ T6768] ib_register_device+0x125d/0x15c0 [ 42.864677][ T6768] ? crc32_pclmul_cra_init+0x9/0x50 [ 42.870134][ T6768] ? crypto_create_tfm+0x288/0x2e0 [ 42.875232][ T6768] ? crypto_alloc_tfm+0x311/0x340 [ 42.880258][ T6768] rxe_register_device+0x3e7/0x510 [ 42.885377][ T6768] rxe_net_add+0x73/0xd0 [ 42.889588][ T6768] rxe_newlink+0x2e/0x90 [ 42.893801][ T6768] nldev_newlink+0x425/0x4a0 [ 42.898385][ T6768] ? nldev_set_doit+0x370/0x370 [ 42.903464][ T6768] rdma_nl_rcv+0x66a/0x990 [ 42.908204][ T6768] netlink_unicast+0x786/0x940 [ 42.912961][ T6768] netlink_sendmsg+0xa57/0xd70 [ 42.917702][ T6768] ? netlink_getsockopt+0x9e0/0x9e0 [ 42.922871][ T6768] ____sys_sendmsg+0x4f9/0x7c0 [ 42.927605][ T6768] ? import_iovec+0x12a/0x2c0 [ 42.932253][ T6768] __sys_sendmsg+0x2a6/0x360 [ 42.937258][ T6768] ? __up_read+0x1f1/0x6e0 [ 42.941656][ T6768] ? check_preemption_disabled+0xb0/0x240 [ 42.947353][ T6768] ? debug_smp_processor_id+0x5/0x20 [ 42.952695][ T6768] ? trace_irq_disable_rcuidle+0x1f/0x1d0 [ 42.958383][ T6768] ? entry_SYSCALL_64_after_hwframe+0x3e/0xb3 [ 42.964515][ T6768] do_syscall_64+0xf3/0x1b0 [ 42.968994][ T6768] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 42.974865][ T6768] RIP: 0033:0x4413d9 [ 42.978729][ T6768] 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 [ 42.998318][ T6768] RSP: 002b:00007ffdef2063c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.006698][ T6768] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004413d9 [ 43.014654][ T6768] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 43.022598][ T6768] RBP: 00007ffdef2063e0 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 43.030538][ T6768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.038498][ T6768] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.046474][ T6768] Modules linked in: [ 43.051342][ T6768] ---[ end trace c898ac6c28c2c222 ]--- [ 43.056804][ T6768] RIP: 0010:rds_ib_add_one+0x81/0xd70 [ 43.062316][ T6768] Code: f0 06 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 ef 81 1f fa bb 70 04 00 00 48 03 5d 00 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 25 0a 00 00 8b 1b 48 c7 c0 e8 53 0b 89 48 [ 43.081999][ T6768] RSP: 0018:ffffc900010773e0 EFLAGS: 00010206 [ 43.088040][ T6768] RAX: 000000000000008e RBX: 0000000000000470 RCX: 0000000000000000 [ 43.096044][ T6768] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 43.104049][ T6768] RBP: ffff888091f846f0 R08: ffffffff879213ba R09: ffffed10123f089f [ 43.112046][ T6768] R10: ffffed10123f089f R11: 0000000000000000 R12: ffff888091f84000 [ 43.120002][ T6768] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12c3f6f [ 43.128017][ T6768] FS: 0000000002472880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 43.136986][ T6768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.143944][ T6768] CR2: 00007fa091bd2710 CR3: 0000000099a16000 CR4: 00000000001406f0 [ 43.151954][ T6768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.159910][ T6768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.167915][ T6768] Kernel panic - not syncing: Fatal exception [ 43.175446][ T6768] Kernel Offset: disabled [ 43.179780][ T6768] Rebooting in 86400 seconds..