[ 36.588091][ T26] audit: type=1800 audit(1557729708.954:27): pid=7658 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.610425][ T26] audit: type=1800 audit(1557729708.954:28): pid=7658 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. [ 37.412003][ T26] audit: type=1800 audit(1557729709.854:29): pid=7658 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 [ 37.432364][ T26] audit: type=1800 audit(1557729709.854:30): pid=7658 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 '10.128.10.29' (ECDSA) to the list of known hosts. 2019/05/13 06:42:00 fuzzer started 2019/05/13 06:42:03 connecting to host at 10.128.0.26:38411 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: [ 50.852254][ T7822] IPVS: ftp: loaded support on port[0] = 21 2019/05/13 06:42:03 building call list... [ 52.073300][ T7809] can: request_module (can-proto-0) failed. [ 52.459489][ T7] ------------[ cut here ]------------ [ 52.465099][ T7] remove_proc_entry: removing non-empty directory 'net/rpc', leaking at least 'use-gss-proxy' [ 52.475644][ T7] WARNING: CPU: 0 PID: 7 at fs/proc/generic.c:681 remove_proc_entry+0x367/0x410 [ 52.484657][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 52.491224][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.1.0-next-20190513 #7 [ 52.499343][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.509418][ T7] Workqueue: netns cleanup_net [ 52.514184][ T7] Call Trace: [ 52.517489][ T7] dump_stack+0x172/0x1f0 [ 52.521814][ T7] ? remove_proc_entry+0x350/0x410 [ 52.526907][ T7] panic+0x2cb/0x75a [ 52.530884][ T7] ? __warn_printk+0xf3/0xf3 [ 52.535467][ T7] ? remove_proc_entry+0x367/0x410 [ 52.540589][ T7] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.546802][ T7] ? __warn.cold+0x5/0x47 [ 52.551103][ T7] ? __warn+0xe8/0x1d0 [ 52.555145][ T7] ? remove_proc_entry+0x367/0x410 [ 52.560238][ T7] __warn.cold+0x20/0x47 [ 52.564459][ T7] ? vprintk_emit+0x1ea/0x700 [ 52.569118][ T7] ? remove_proc_entry+0x367/0x410 [ 52.574220][ T7] report_bug+0x263/0x2b0 [ 52.578536][ T7] do_error_trap+0x11b/0x200 [ 52.583119][ T7] do_invalid_op+0x37/0x50 [ 52.587511][ T7] ? remove_proc_entry+0x367/0x410 [ 52.592618][ T7] invalid_op+0x14/0x20 [ 52.596817][ T7] RIP: 0010:remove_proc_entry+0x367/0x410 [ 52.602530][ T7] 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 [ 52.622112][ T7] RSP: 0018:ffff8880a98a7b10 EFLAGS: 00010286 [ 52.628147][ T7] RAX: 0000000000000000 RBX: 1ffff11015314f64 RCX: 0000000000000000 [ 52.636091][ T7] RDX: 0000000000000000 RSI: ffffffff815b20a6 RDI: ffffed1015314f54 [ 52.644035][ T7] RBP: ffff8880a98a7bc0 R08: ffff8880a98981c0 R09: ffff8880a9898ab0 [ 52.651980][ T7] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888095a7f900 [ 52.659922][ T7] R13: ffff88809ae59080 R14: ffff888095a7f9b0 R15: dffffc0000000000 [ 52.667876][ T7] ? vprintk_func+0x86/0x189 [ 52.672457][ T7] ? proc_readdir+0x80/0x80 [ 52.676934][ T7] ? cache_destroy_net+0x3c/0x50 [ 52.681851][ T7] rpc_proc_exit+0x3e/0x50 [ 52.686332][ T7] sunrpc_exit_net+0x187/0x2d0 [ 52.691070][ T7] ? xdr_free_bvec+0x70/0x70 [ 52.695655][ T7] ops_exit_list.isra.0+0xb0/0x160 [ 52.700749][ T7] cleanup_net+0x3fb/0x960 [ 52.705140][ T7] ? netns_install+0x1d0/0x1d0 [ 52.709910][ T7] process_one_work+0x98e/0x1790 [ 52.714825][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 52.720178][ T7] ? lock_acquire+0x16f/0x3f0 [ 52.724851][ T7] worker_thread+0x98/0xe40 [ 52.729383][ T7] kthread+0x357/0x430 [ 52.733449][ T7] ? process_one_work+0x1790/0x1790 [ 52.738644][ T7] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 52.744867][ T7] ret_from_fork+0x3a/0x50 [ 52.750474][ T7] Kernel Offset: disabled [ 52.754873][ T7] Rebooting in 86400 seconds..