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 '10.128.0.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.219074] BUG: unable to handle kernel paging request at fffffc0000000000 [ 30.226219] PGD 0 P4D 0 [ 30.228879] Oops: 0000 [#1] SMP KASAN [ 30.232661] Dumping ftrace buffer: [ 30.236177] (ftrace buffer empty) [ 30.239865] Modules linked in: [ 30.243049] CPU: 0 PID: 4468 Comm: syzkaller444550 Not tainted 4.16.0+ #3 [ 30.249956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.259310] RIP: 0010:check_memory_region+0x126/0x1b0 [ 30.264479] RSP: 0018:ffff8801ad2a72b0 EFLAGS: 00010212 [ 30.269823] RAX: fffffc0000000000 RBX: fffffc0000000000 RCX: ffffffff871ac97a [ 30.277095] RDX: 0000000000000001 RSI: 0000000000000040 RDI: ffffffffffffffd8 [ 30.284350] RBP: ffff8801ad2a72c8 R08: dffffc0000000003 R09: fffffbfffffffffb [ 30.291603] R10: dffffc0000000002 R11: 0000000000000017 R12: dffffc0000000003 [ 30.298858] R13: 0000000000000000 R14: ffffffffffffffd8 R15: 0000000000000000 [ 30.306114] FS: 000000000251c880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 30.314325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.320189] CR2: fffffc0000000000 CR3: 00000001d9b4f000 CR4: 00000000001406f0 [ 30.327457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.334706] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.341954] Call Trace: [ 30.344531] memset+0x23/0x40 [ 30.347628] smc_ib_remember_port_attr+0x8a/0x370 [ 30.352458] ? do_raw_write_trylock+0x1b0/0x1b0 [ 30.357111] ? smc_ib_port_active+0x80/0x80 [ 30.361418] ? kasan_check_write+0x14/0x20 [ 30.365639] ? do_raw_write_lock+0xbd/0x1b0 [ 30.369948] smc_pnet_add+0xb9b/0xec0 [ 30.373739] ? memset+0x31/0x40 [ 30.377000] ? smc_pnet_del+0x70/0x70 [ 30.380790] ? validate_nla+0x7b0/0x7b0 [ 30.384751] ? __netlink_ns_capable+0x100/0x130 [ 30.389408] genl_family_rcv_msg+0x889/0x1120 [ 30.393889] ? genl_rcv+0x40/0x40 [ 30.397328] ? lock_downgrade+0x8e0/0x8e0 [ 30.401458] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 30.406456] ? kasan_check_read+0x11/0x20 [ 30.410582] ? lock_acquire+0x1dc/0x520 [ 30.414535] ? genl_rcv+0x19/0x40 [ 30.417977] genl_rcv_msg+0xc6/0x170 [ 30.421694] netlink_rcv_skb+0x172/0x440 [ 30.425749] ? genl_family_rcv_msg+0x1120/0x1120 [ 30.430489] ? netlink_ack+0xbc0/0xbc0 [ 30.434358] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.439540] ? netlink_skb_destructor+0x210/0x210 [ 30.444377] genl_rcv+0x28/0x40 [ 30.447643] netlink_unicast+0x58b/0x740 [ 30.451702] ? netlink_attachskb+0x970/0x970 [ 30.456098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.461614] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 30.466613] ? security_netlink_send+0x8f/0xc0 [ 30.471176] netlink_sendmsg+0x9d8/0xf80 [ 30.475217] ? netlink_unicast+0x740/0x740 [ 30.479443] ? security_socket_sendmsg+0x9b/0xd0 [ 30.484181] ? netlink_unicast+0x740/0x740 [ 30.488408] sock_sendmsg+0xd5/0x120 [ 30.492121] ___sys_sendmsg+0x805/0x940 [ 30.496088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.501617] ? copy_msghdr_from_user+0x560/0x560 [ 30.506362] ? vm_insert_mixed_mkwrite+0x40/0x40 [ 30.511114] ? graph_lock+0x170/0x170 [ 30.514902] ? graph_lock+0x170/0x170 [ 30.518703] ? find_held_lock+0x36/0x1c0 [ 30.522755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.528283] ? __fget_light+0x2ef/0x430 [ 30.532238] ? fget_raw+0x20/0x20 [ 30.535691] ? find_held_lock+0x36/0x1c0 [ 30.539738] ? lock_downgrade+0x8e0/0x8e0 [ 30.543869] ? handle_mm_fault+0x8c0/0xc70 [ 30.548090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.553613] ? sockfd_lookup_light+0xc5/0x160 [ 30.558094] __sys_sendmsg+0x115/0x270 [ 30.561965] ? SyS_shutdown+0x30/0x30 [ 30.565751] ? __do_page_fault+0x441/0xe40 [ 30.569971] ? fd_install+0x4d/0x60 [ 30.573584] SyS_sendmsg+0x29/0x30 [ 30.577106] ? __sys_sendmsg+0x270/0x270 [ 30.581160] do_syscall_64+0x29e/0x9d0 [ 30.585038] ? vmalloc_sync_all+0x30/0x30 [ 30.589175] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.593917] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.598833] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.603749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.609275] ? retint_user+0x18/0x18 [ 30.612982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.617812] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.622984] RIP: 0033:0x43fe69 [ 30.626154] RSP: 002b:00007ffe04a58758 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 30.633843] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe69 [ 30.641096] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 30.648349] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 30.655601] R10: 00000000004002c8 R11: 0000000000000213 R12: 0000000000401790 [ 30.662852] R13: 0000000000401820 R14: 0000000000000000 R15: 0000000000000000 [ 30.670106] 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 32 [ 30.689293] RIP: check_memory_region+0x126/0x1b0 RSP: ffff8801ad2a72b0 [ 30.695941] CR2: fffffc0000000000 [ 30.699390] ---[ end trace 85119cac5f98947c ]--- [ 30.704122] Kernel panic - not syncing: Fatal exception [ 30.709942] Dumping ftrace buffer: [ 30.713473] (ftrace buffer empty) [ 30.717160] Kernel Offset: disabled [ 30.720766] Rebooting in 86400 seconds..