INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.093138] BUG: unable to handle kernel paging request at fffffc0000000000 [ 27.100257] PGD 0 P4D 0 [ 27.102914] Oops: 0000 [#1] SMP KASAN [ 27.106691] Dumping ftrace buffer: [ 27.110207] (ftrace buffer empty) [ 27.113892] Modules linked in: [ 27.117065] CPU: 1 PID: 4476 Comm: syzkaller625382 Not tainted 4.16.0+ #17 [ 27.124051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.133392] RIP: 0010:check_memory_region+0x126/0x1b0 [ 27.138563] RSP: 0018:ffff8801aedaf2b0 EFLAGS: 00010212 [ 27.143903] RAX: fffffc0000000000 RBX: fffffc0000000000 RCX: ffffffff87204f5a [ 27.151151] RDX: 0000000000000001 RSI: 0000000000000040 RDI: ffffffffffffffd8 [ 27.158405] RBP: ffff8801aedaf2c8 R08: dffffc0000000003 R09: fffffbfffffffffb [ 27.165652] R10: dffffc0000000002 R11: 0000000000000017 R12: dffffc0000000003 [ 27.172900] R13: 0000000000000000 R14: ffffffffffffffd8 R15: 0000000000000000 [ 27.180157] FS: 0000000000de8880(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 27.188360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.194223] CR2: fffffc0000000000 CR3: 00000001af794000 CR4: 00000000001406e0 [ 27.201475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.208727] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.215971] Call Trace: [ 27.218540] memset+0x23/0x40 [ 27.221625] smc_ib_remember_port_attr+0x8a/0x370 [ 27.226452] ? do_raw_write_trylock+0x1b0/0x1b0 [ 27.231101] ? smc_ib_port_active+0x80/0x80 [ 27.235408] ? kasan_check_write+0x14/0x20 [ 27.239621] ? do_raw_write_lock+0xbd/0x1b0 [ 27.243928] smc_pnet_add+0xb9b/0xec0 [ 27.247711] ? memset+0x31/0x40 [ 27.250968] ? smc_pnet_del+0x70/0x70 [ 27.254756] ? validate_nla+0x7b0/0x7b0 [ 27.258715] ? __netlink_ns_capable+0x100/0x130 [ 27.263370] genl_family_rcv_msg+0x889/0x1120 [ 27.267846] ? genl_rcv+0x40/0x40 [ 27.271276] ? lock_downgrade+0x8e0/0x8e0 [ 27.275403] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 27.280407] ? kasan_check_read+0x11/0x20 [ 27.284543] ? lock_acquire+0x1dc/0x520 [ 27.288499] ? genl_rcv+0x19/0x40 [ 27.291934] genl_rcv_msg+0xc6/0x170 [ 27.295629] netlink_rcv_skb+0x172/0x440 [ 27.299668] ? genl_family_rcv_msg+0x1120/0x1120 [ 27.304405] ? netlink_ack+0xbc0/0xbc0 [ 27.308277] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 27.313447] ? netlink_skb_destructor+0x210/0x210 [ 27.318269] genl_rcv+0x28/0x40 [ 27.321525] netlink_unicast+0x58b/0x740 [ 27.325566] ? netlink_attachskb+0x970/0x970 [ 27.329952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.335465] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 27.340461] ? security_netlink_send+0x88/0xb0 [ 27.345029] netlink_sendmsg+0x9f0/0xfa0 [ 27.349070] ? netlink_unicast+0x740/0x740 [ 27.353285] ? security_socket_sendmsg+0x94/0xc0 [ 27.358023] ? netlink_unicast+0x740/0x740 [ 27.362240] sock_sendmsg+0xd5/0x120 [ 27.365930] ___sys_sendmsg+0x805/0x940 [ 27.369882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.375405] ? copy_msghdr_from_user+0x560/0x560 [ 27.380139] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 27.384871] ? graph_lock+0x170/0x170 [ 27.388647] ? graph_lock+0x170/0x170 [ 27.392430] ? find_held_lock+0x36/0x1c0 [ 27.396470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.401992] ? __fget_light+0x2ef/0x430 [ 27.405947] ? fget_raw+0x20/0x20 [ 27.409389] ? find_held_lock+0x36/0x1c0 [ 27.413428] ? lock_downgrade+0x8e0/0x8e0 [ 27.417551] ? handle_mm_fault+0x8c0/0xc70 [ 27.421765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.427282] ? sockfd_lookup_light+0xc5/0x160 [ 27.431753] __sys_sendmsg+0x115/0x270 [ 27.435620] ? SyS_shutdown+0x30/0x30 [ 27.439403] ? __do_page_fault+0x441/0xe40 [ 27.443615] ? fd_install+0x4d/0x60 [ 27.447221] SyS_sendmsg+0x29/0x30 [ 27.450742] ? __sys_sendmsg+0x270/0x270 [ 27.454778] do_syscall_64+0x29e/0x9d0 [ 27.458643] ? vmalloc_sync_all+0x30/0x30 [ 27.462766] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 27.467586] ? syscall_return_slowpath+0x5c0/0x5c0 [ 27.472492] ? syscall_return_slowpath+0x30f/0x5c0 [ 27.477401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.482916] ? retint_user+0x18/0x18 [ 27.486606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.491435] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 27.496602] RIP: 0033:0x43fd99 [ 27.499766] RSP: 002b:00007fff486a8c58 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 27.507451] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd99 [ 27.514697] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 27.521948] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 27.529192] R10: 00000000004002c8 R11: 0000000000000213 R12: 00000000004016c0 [ 27.536440] R13: 0000000000401750 R14: 0000000000000000 R15: 0000000000000000 [ 27.543698] Code: ff ff ff 4d 85 c0 74 ba 48 b8 01 00 00 00 00 fc ff df 4d 01 c8 48 01 d8 41 80 39 00 74 08 e9 8c 00 00 00 48 89 d8 4c 39 c0 74 97 <80> 38 00 48 8d 58 01 74 ef eb 87 4c 89 c0 49 39 c2 74 59 e8 12 [ 27.562834] RIP: check_memory_region+0x126/0x1b0 RSP: ffff8801aedaf2b0 [ 27.569472] CR2: fffffc0000000000 [ 27.572912] ---[ end trace a142559361da7dc5 ]--- [ 27.577640] Kernel panic - not syncing: Fatal exception [ 27.583409] Dumping ftrace buffer: [ 27.586926] (ftrace buffer empty) [ 27.590609] Kernel Offset: disabled [ 27.594210] Rebooting in 86400 seconds..