[ 72.870600][ T27] audit: type=1800 audit(1582547452.207:26): pid=9792 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 73.837423][ T27] kauditd_printk_skb: 2 callbacks suppressed [ 73.837435][ T27] audit: type=1800 audit(1582547453.187:29): pid=9792 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 73.864035][ T27] audit: type=1800 audit(1582547453.197:30): pid=9792 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.214' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 84.044589][ T9945] iwpm_register_pid: Unable to send a nlmsg (client = 2) [ 84.054818][ T9945] infiniband syz1: RDMA CMA: cma_listen_on_dev, error -98 [ 84.068275][ T9945] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 84.081124][ T9945] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 84.089648][ T9945] CPU: 1 PID: 9945 Comm: syz-executor658 Not tainted 5.6.0-rc2-syzkaller #0 [ 84.098310][ T9945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.108366][ T9945] RIP: 0010:nldev_stat_set_doit+0x63c/0xb70 [ 84.114359][ T9945] Code: fc 01 0f 84 58 03 00 00 e8 a1 76 bf fb 4c 8b a3 58 fd ff ff 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 04 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 6d [ 84.133965][ T9945] RSP: 0018:ffffc90005c67350 EFLAGS: 00010247 [ 84.140140][ T9945] RAX: dffffc0000000000 RBX: ffffc90005c67728 RCX: ffffffff85b61110 [ 84.148147][ T9945] RDX: 0000000000000000 RSI: ffffffff85b6111f RDI: 0000000000000004 [ 84.156117][ T9945] RBP: ffffc90005c67750 R08: ffff888094d782c0 R09: ffff888090230010 [ 84.164088][ T9945] R10: ffffed10120461dc R11: ffff888090230ee3 R12: 0000000000000000 [ 84.172046][ T9945] R13: ffff88809ecac000 R14: ffff88809a5b12c0 R15: 000000008f4949a2 [ 84.180015][ T9945] FS: 0000000001ad6940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 84.188926][ T9945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.195506][ T9945] CR2: 00000000200031c0 CR3: 00000000a07e7000 CR4: 00000000001406e0 [ 84.203522][ T9945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.211553][ T9945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.219514][ T9945] Call Trace: [ 84.222859][ T9945] ? nldev_res_get_qp_doit+0x40/0x40 [ 84.228333][ T9945] ? lock_downgrade+0x920/0x920 [ 84.233292][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.239539][ T9945] ? ns_capable_common+0x93/0x100 [ 84.244633][ T9945] ? ns_capable+0x20/0x30 [ 84.248971][ T9945] ? __netlink_ns_capable+0x104/0x140 [ 84.254336][ T9945] ? nldev_res_get_qp_doit+0x40/0x40 [ 84.259681][ T9945] rdma_nl_rcv+0x5d9/0x980 [ 84.264698][ T9945] ? rdma_nl_multicast+0x330/0x330 [ 84.269874][ T9945] ? __kasan_check_read+0x11/0x20 [ 84.274935][ T9945] ? netlink_deliver_tap+0x248/0xbf0 [ 84.280375][ T9945] ? __kasan_check_write+0x14/0x20 [ 84.285534][ T9945] netlink_unicast+0x59e/0x7e0 [ 84.290299][ T9945] ? netlink_attachskb+0x870/0x870 [ 84.295461][ T9945] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 84.301223][ T9945] ? __check_object_size+0x3d/0x437 [ 84.306477][ T9945] netlink_sendmsg+0x91c/0xea0 [ 84.311253][ T9945] ? netlink_unicast+0x7e0/0x7e0 [ 84.316198][ T9945] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 84.321813][ T9945] ? apparmor_socket_sendmsg+0x2a/0x30 [ 84.327325][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.333620][ T9945] ? security_socket_sendmsg+0x8d/0xc0 [ 84.339095][ T9945] ? netlink_unicast+0x7e0/0x7e0 [ 84.344036][ T9945] sock_sendmsg+0xd7/0x130 [ 84.348596][ T9945] ____sys_sendmsg+0x753/0x880 [ 84.353520][ T9945] ? kernel_sendmsg+0x50/0x50 [ 84.358202][ T9945] ? lockdep_init_map+0x1be/0x6d0 [ 84.363225][ T9945] ___sys_sendmsg+0x100/0x170 [ 84.368111][ T9945] ? sendmsg_copy_msghdr+0x70/0x70 [ 84.373275][ T9945] ? __kasan_check_read+0x11/0x20 [ 84.378335][ T9945] ? __lock_acquire+0x8a0/0x4a00 [ 84.383362][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.389850][ T9945] ? __this_cpu_preempt_check+0x35/0x190 [ 84.395625][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.402035][ T9945] ? percpu_counter_add_batch+0x13c/0x190 [ 84.407761][ T9945] ? __fd_install+0x1bc/0x640 [ 84.412431][ T9945] ? find_held_lock+0x35/0x130 [ 84.417248][ T9945] ? __fd_install+0x1bc/0x640 [ 84.421931][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.428172][ T9945] ? __fget_light+0x1ad/0x270 [ 84.432853][ T9945] ? __fdget+0x1b/0x20 [ 84.436926][ T9945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.443366][ T9945] __sys_sendmsg+0x105/0x1d0 [ 84.447985][ T9945] ? __sys_sendmsg_sock+0xc0/0xc0 [ 84.453015][ T9945] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.458471][ T9945] ? do_syscall_64+0x26/0x790 [ 84.463282][ T9945] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.469393][ T9945] ? do_syscall_64+0x26/0x790 [ 84.474074][ T9945] __x64_sys_sendmsg+0x78/0xb0 [ 84.478885][ T9945] do_syscall_64+0xfa/0x790 [ 84.483377][ T9945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.489313][ T9945] RIP: 0033:0x441019 [ 84.493199][ T9945] 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 [ 84.512791][ T9945] RSP: 002b:00007ffc7dbcf618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.521199][ T9945] RAX: ffffffffffffffda RBX: 00007ffc7dbcf620 RCX: 0000000000441019 [ 84.529220][ T9945] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 84.537232][ T9945] RBP: 0000000000000000 R08: 0000000000401660 R09: 0000000000401660 [ 84.545306][ T9945] R10: 0000000000401660 R11: 0000000000000246 R12: 00000000004028a0 [ 84.553277][ T9945] R13: 0000000000402930 R14: 0000000000000000 R15: 0000000000000000 [ 84.561310][ T9945] Modules linked in: [ 84.565524][ T9945] ---[ end trace 47e5af10f726ec3e ]--- [ 84.571277][ T9945] RIP: 0010:nldev_stat_set_doit+0x63c/0xb70 [ 84.577194][ T9945] Code: fc 01 0f 84 58 03 00 00 e8 a1 76 bf fb 4c 8b a3 58 fd ff ff 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 04 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 6d [ 84.596891][ T9945] RSP: 0018:ffffc90005c67350 EFLAGS: 00010247 [ 84.603002][ T9945] RAX: dffffc0000000000 RBX: ffffc90005c67728 RCX: ffffffff85b61110 [ 84.611021][ T9945] RDX: 0000000000000000 RSI: ffffffff85b6111f RDI: 0000000000000004 [ 84.619003][ T9945] RBP: ffffc90005c67750 R08: ffff888094d782c0 R09: ffff888090230010 [ 84.627075][ T9945] R10: ffffed10120461dc R11: ffff888090230ee3 R12: 0000000000000000 [ 84.635098][ T9945] R13: ffff88809ecac000 R14: ffff88809a5b12c0 R15: 000000008f4949a2 [ 84.643303][ T9945] FS: 0000000001ad6940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 84.652381][ T9945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.658990][ T9945] CR2: 00000000200031c0 CR3: 00000000a07e7000 CR4: 00000000001406e0 [ 84.667264][ T9945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.675416][ T9945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.683502][ T9945] Kernel panic - not syncing: Fatal exception [ 84.691001][ T9945] Kernel Offset: disabled [ 84.695343][ T9945] Rebooting in 86400 seconds..