[ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.261709][ T7018] dummy0 speed is unknown, defaulting to 1000 [ 42.268456][ T7018] dummy0 speed is unknown, defaulting to 1000 [ 42.275098][ T7018] dummy0 speed is unknown, defaulting to 1000 [ 42.374887][ T7018] infiniband syz0: set down [ 42.379909][ T23] dummy0 speed is unknown, defaulting to 1000 [ 42.386299][ T7018] infiniband syz0: added dummy0 [ 42.421846][ T7018] general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN [ 42.433588][ T7018] KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477] [ 42.442090][ T7018] CPU: 1 PID: 7018 Comm: syz-executor152 Not tainted 5.7.0-rc6-syzkaller #0 [ 42.450741][ T7018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.460792][ T7018] RIP: 0010:rds_ib_add_one+0x81/0xd70 [ 42.466324][ T7018] Code: f0 06 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 9f 1e 23 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 23 0b 89 48 [ 42.486361][ T7018] RSP: 0018:ffffc900033473e0 EFLAGS: 00010206 [ 42.492431][ T7018] RAX: 000000000000008e RBX: 0000000000000470 RCX: 0000000000000000 [ 42.500391][ T7018] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 42.509014][ T7018] RBP: ffff8880920ac6f0 R08: ffffffff878e51aa R09: ffffed101241589f [ 42.516964][ T7018] R10: ffffed101241589f R11: 0000000000000000 R12: ffff8880920ac000 [ 42.524930][ T7018] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12c3e57 [ 42.532886][ T7018] FS: 0000000002400880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 42.541793][ T7018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.548360][ T7018] CR2: 00007fa0d902d710 CR3: 0000000097d08000 CR4: 00000000001406e0 [ 42.556845][ T7018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.565160][ T7018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.573578][ T7018] Call Trace: [ 42.576858][ T7018] ? rds_ib_get_client_data+0x1a0/0x1a0 [ 42.582521][ T7018] add_client_context+0x469/0x660 [ 42.590635][ T7018] enable_device_and_get+0x15b/0x370 [ 42.596269][ T7018] ib_register_device+0x125d/0x15c0 [ 42.601626][ T7018] ? crc32_pclmul_cra_init+0x9/0x50 [ 42.607000][ T7018] ? crypto_create_tfm+0x288/0x2e0 [ 42.613266][ T7018] ? crypto_alloc_tfm+0x311/0x340 [ 42.618508][ T7018] rxe_register_device+0x3e7/0x510 [ 42.623835][ T7018] rxe_net_add+0x73/0xd0 [ 42.628163][ T7018] rxe_newlink+0x2e/0x90 [ 42.632417][ T7018] nldev_newlink+0x425/0x4a0 [ 42.637094][ T7018] ? nldev_set_doit+0x370/0x370 [ 42.642228][ T7018] rdma_nl_rcv+0x66a/0x990 [ 42.646778][ T7018] netlink_unicast+0x786/0x940 [ 42.651539][ T7018] netlink_sendmsg+0xa57/0xd70 [ 42.656297][ T7018] ? netlink_getsockopt+0x9e0/0x9e0 [ 42.661487][ T7018] ____sys_sendmsg+0x4f9/0x7c0 [ 42.666230][ T7018] ? import_iovec+0x12a/0x2c0 [ 42.670911][ T7018] __sys_sendmsg+0x2a6/0x360 [ 42.675495][ T7018] ? __up_read+0x1f1/0x6e0 [ 42.680015][ T7018] ? check_preemption_disabled+0xb0/0x240 [ 42.685734][ T7018] ? debug_smp_processor_id+0x5/0x20 [ 42.691106][ T7018] ? trace_irq_disable_rcuidle+0x1f/0x1d0 [ 42.696978][ T7018] ? entry_SYSCALL_64_after_hwframe+0x3e/0xb3 [ 42.703864][ T7018] do_syscall_64+0xf3/0x1b0 [ 42.708357][ T7018] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 42.714391][ T7018] RIP: 0033:0x440349 [ 42.718365][ T7018] 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 [ 42.738055][ T7018] RSP: 002b:00007ffe4265c428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.746576][ T7018] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440349 [ 42.754532][ T7018] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 42.762731][ T7018] RBP: 00000000006ca018 R08: 0000000000000014 R09: 00000000004002c8 [ 42.770711][ T7018] R10: 0000000000000041 R11: 0000000000000246 R12: 0000000000401bd0 [ 42.778661][ T7018] R13: 0000000000401c60 R14: 0000000000000000 R15: 0000000000000000 [ 42.786798][ T7018] Modules linked in: [ 42.792071][ T7018] ---[ end trace 8c243069b00a3765 ]--- [ 42.797672][ T7018] RIP: 0010:rds_ib_add_one+0x81/0xd70 [ 42.803336][ T7018] Code: f0 06 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 9f 1e 23 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 23 0b 89 48 [ 42.823925][ T7018] RSP: 0018:ffffc900033473e0 EFLAGS: 00010206 [ 42.830354][ T7018] RAX: 000000000000008e RBX: 0000000000000470 RCX: 0000000000000000 [ 42.838507][ T7018] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 42.846832][ T7018] RBP: ffff8880920ac6f0 R08: ffffffff878e51aa R09: ffffed101241589f [ 42.854913][ T7018] R10: ffffed101241589f R11: 0000000000000000 R12: ffff8880920ac000 [ 42.862927][ T7018] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12c3e57 [ 42.870934][ T7018] FS: 0000000002400880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 42.879914][ T7018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.886531][ T7018] CR2: 000055f8949ccc5f CR3: 0000000097d08000 CR4: 00000000001406e0 [ 42.895463][ T7018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.903451][ T7018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.911466][ T7018] Kernel panic - not syncing: Fatal exception [ 42.918923][ T7018] Kernel Offset: disabled [ 42.925378][ T7018] Rebooting in 86400 seconds..