[ 36.574476][ T27] audit: type=1800 audit(1557729708.925:27): pid=7608 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.595175][ T27] audit: type=1800 audit(1557729708.935:28): pid=7608 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.452617][ T27] audit: type=1800 audit(1557729709.855:29): pid=7608 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 [....] startpar: service(s) returned failure: rsyslog ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts. 2019/05/13 06:42:01 fuzzer started 2019/05/13 06:42:03 connecting to host at 10.128.0.26:43355 2019/05/13 06:42:03 checking machine... 2019/05/13 06:42:03 checking revisions... 2019/05/13 06:42:03 testing simple program... syzkaller login: [ 51.376658][ T7795] IPVS: ftp: loaded support on port[0] = 21 2019/05/13 06:42:03 building call list... [ 52.613804][ T7802] can: request_module (can-proto-0) failed. [ 52.979049][ T24] ------------[ cut here ]------------ [ 52.984617][ T24] remove_proc_entry: removing non-empty directory 'net/rpc', leaking at least 'use-gss-proxy' [ 52.995124][ T24] WARNING: CPU: 1 PID: 24 at fs/proc/generic.c:681 remove_proc_entry+0x367/0x410 [ 53.004239][ T24] Kernel panic - not syncing: panic_on_warn set ... [ 53.010824][ T24] CPU: 1 PID: 24 Comm: kworker/u4:2 Not tainted 5.1.0-next-20190513 #7 [ 53.019036][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.029082][ T24] Workqueue: netns cleanup_net [ 53.033909][ T24] Call Trace: [ 53.037176][ T24] dump_stack+0x172/0x1f0 [ 53.041505][ T24] ? remove_proc_entry+0x350/0x410 [ 53.046616][ T24] panic+0x2cb/0x75a [ 53.050512][ T24] ? __warn_printk+0xf3/0xf3 [ 53.055101][ T24] ? remove_proc_entry+0x367/0x410 [ 53.060192][ T24] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.066415][ T24] ? __warn.cold+0x5/0x47 [ 53.070721][ T24] ? __warn+0xe8/0x1d0 [ 53.074769][ T24] ? remove_proc_entry+0x367/0x410 [ 53.079860][ T24] __warn.cold+0x20/0x47 [ 53.084123][ T24] ? vprintk_emit+0x1ea/0x700 [ 53.088782][ T24] ? remove_proc_entry+0x367/0x410 [ 53.093872][ T24] report_bug+0x263/0x2b0 [ 53.098181][ T24] do_error_trap+0x11b/0x200 [ 53.102761][ T24] do_invalid_op+0x37/0x50 [ 53.107155][ T24] ? remove_proc_entry+0x367/0x410 [ 53.112245][ T24] invalid_op+0x14/0x20 [ 53.116378][ T24] RIP: 0010:remove_proc_entry+0x367/0x410 [ 53.122080][ T24] Code: 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 4c 49 8b 95 d0 00 00 00 48 c7 c6 80 85 97 87 48 c7 c7 00 85 97 87 e8 c7 b1 6d ff <0f> 0b e9 4b fe ff ff e8 6d 54 d4 ff e9 b5 fd ff ff e8 23 55 d4 ff [ 53.141666][ T24] RSP: 0018:ffff8880a9a57b10 EFLAGS: 00010286 [ 53.147710][ T24] RAX: 0000000000000000 RBX: 1ffff1101534af64 RCX: 0000000000000000 [ 53.155661][ T24] RDX: 0000000000000000 RSI: ffffffff815b20a6 RDI: ffffed101534af54 [ 53.163624][ T24] RBP: ffff8880a9a57bc0 R08: ffff8880a9a48640 R09: ffff8880a9a48f30 [ 53.171592][ T24] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888090e8c640 [ 53.179549][ T24] R13: ffff8880a62e1480 R14: ffff888090e8c6f0 R15: dffffc0000000000 [ 53.187518][ T24] ? vprintk_func+0x86/0x189 [ 53.192092][ T24] ? proc_readdir+0x80/0x80 [ 53.196590][ T24] ? cache_destroy_net+0x3c/0x50 [ 53.201535][ T24] rpc_proc_exit+0x3e/0x50 [ 53.206106][ T24] sunrpc_exit_net+0x187/0x2d0 [ 53.210849][ T24] ? xdr_free_bvec+0x70/0x70 [ 53.215417][ T24] ops_exit_list.isra.0+0xb0/0x160 [ 53.220509][ T24] cleanup_net+0x3fb/0x960 [ 53.224904][ T24] ? netns_install+0x1d0/0x1d0 [ 53.229652][ T24] process_one_work+0x98e/0x1790 [ 53.234595][ T24] ? pwq_dec_nr_in_flight+0x320/0x320 [ 53.239970][ T24] ? lock_acquire+0x16f/0x3f0 [ 53.244630][ T24] worker_thread+0x98/0xe40 [ 53.249114][ T24] ? trace_hardirqs_on+0x67/0x230 [ 53.254123][ T24] kthread+0x357/0x430 [ 53.258169][ T24] ? process_one_work+0x1790/0x1790 [ 53.263337][ T24] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 53.269552][ T24] ret_from_fork+0x3a/0x50 [ 53.274760][ T24] Kernel Offset: disabled [ 53.279163][ T24] Rebooting in 86400 seconds..