Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.643497] audit: type=1800 audit(1548039429.899:33): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.665474] audit: type=1800 audit(1548039429.909:34): pid=7575 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 42.886873] audit: type=1400 audit(1548039432.149:35): avc: denied { map } for pid=7748 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. [ 135.455336] audit: type=1400 audit(1548039524.719:36): avc: denied { map } for pid=7760 comm="syz-executor842" path="/root/syz-executor842076581" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 135.490000] IPVS: ftp: loaded support on port[0] = 21 [ 135.499970] IPVS: ftp: loaded support on port[0] = 21 [ 135.502779] IPVS: ftp: loaded support on port[0] = 21 [ 135.508830] IPVS: ftp: loaded support on port[0] = 21 [ 135.515990] IPVS: ftp: loaded support on port[0] = 21 [ 135.524478] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 137.125724] WARNING: CPU: 1 PID: 45 at net/ipv6/xfrm6_tunnel.c:351 xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.135386] Kernel panic - not syncing: panic_on_warn set ... [ 137.141379] CPU: 1 PID: 45 Comm: kworker/u4:2 Not tainted 5.0.0-rc2+ #35 [ 137.148218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.157712] Workqueue: netns cleanup_net [ 137.161783] Call Trace: [ 137.164374] dump_stack+0x1db/0x2d0 [ 137.168001] ? dump_stack_print_info.cold+0x20/0x20 [ 137.173017] ? xfrm6_tunnel_net_exit+0x1f0/0x500 [ 137.177782] panic+0x2cb/0x65c [ 137.180967] ? add_taint.cold+0x16/0x16 [ 137.185060] ? xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.189817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 137.195358] ? __probe_kernel_read+0x1f4/0x250 [ 137.199940] ? __warn.cold+0x5/0x48 [ 137.203559] ? __warn+0xe8/0x1d0 [ 137.206920] ? xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.211671] __warn.cold+0x20/0x48 [ 137.215204] ? xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.219954] report_bug+0x263/0x2b0 [ 137.223572] do_error_trap+0x11b/0x200 [ 137.227453] do_invalid_op+0x37/0x50 [ 137.231161] ? xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.235911] invalid_op+0x14/0x20 [ 137.239354] RIP: 0010:xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.244708] Code: 80 7d 00 00 4c 8b 3b 0f 85 f4 01 00 00 4d 89 7e 80 31 ff 4c 89 fe 41 c6 45 00 f8 e8 bf 53 a0 fa 4d 85 ff 74 92 e8 15 52 a0 fa <0f> 0b eb 89 48 8b 9d 30 ff ff ff 49 8d 46 a0 45 31 e4 49 89 c5 48 [ 137.263602] RSP: 0018:ffff8880a96df748 EFLAGS: 00010293 [ 137.269035] RAX: ffff8880a9702440 RBX: ffff88808ad92238 RCX: ffffffff86e1acd1 [ 137.276413] RDX: 0000000000000000 RSI: ffffffff86e1acdb RDI: 0000000000000007 [ 137.283677] RBP: ffff8880a96df828 R08: ffff8880a9702440 R09: ffff8880a9702d30 [ 137.291194] R10: ffff8880a9702440 R11: 0000000000000000 R12: 00000000000000ff [ 137.298574] R13: ffffed10152dbef0 R14: ffff8880a96df800 R15: ffff888095272600 [ 137.305861] ? xfrm6_tunnel_net_exit+0x2c1/0x500 [ 137.310610] ? xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.315363] ? xfrm6_tunnel_net_exit+0x2cb/0x500 [ 137.320115] ? xfrm6_tunnel_alloc_spi+0xc60/0xc60 [ 137.324947] ? xt_proto_init+0x850/0x850 [ 137.329002] ? calibrate_delay+0xd35/0x1056 [ 137.333406] ? inet_frag_destroy_rcu+0xf0/0xf0 [ 137.338012] ? xfrm6_tunnel_alloc_spi+0xc60/0xc60 [ 137.342859] ops_exit_list.isra.0+0xb0/0x160 [ 137.347407] cleanup_net+0x51d/0xb10 [ 137.351129] ? find_held_lock+0x35/0x120 [ 137.355214] ? netns_install+0x1d0/0x1d0 [ 137.359275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 137.364813] ? check_preemption_disabled+0x48/0x290 [ 137.369829] ? __lock_is_held+0xb6/0x140 [ 137.373894] process_one_work+0xd0c/0x1ce0 [ 137.378130] ? preempt_notifier_register+0x200/0x200 [ 137.383242] ? __switch_to_asm+0x34/0x70 [ 137.387298] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 137.392060] ? __schedule+0x89f/0x1e60 [ 137.395962] ? pci_mmcfg_check_reserved+0x170/0x170 [ 137.400988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 137.405740] ? worker_thread+0x3b7/0x14a0 [ 137.409893] ? find_held_lock+0x35/0x120 [ 137.413950] ? lock_acquire+0x1db/0x570 [ 137.418047] ? worker_thread+0x3cd/0x14a0 [ 137.422210] ? kasan_check_read+0x11/0x20 [ 137.426367] ? do_raw_spin_lock+0x156/0x360 [ 137.430687] ? lock_release+0xc40/0xc40 [ 137.434656] ? rwlock_bug.part.0+0x90/0x90 [ 137.438889] ? trace_hardirqs_on_caller+0x310/0x310 [ 137.443905] worker_thread+0x143/0x14a0 [ 137.447977] ? process_one_work+0x1ce0/0x1ce0 [ 137.452556] ? __kthread_parkme+0xc3/0x1b0 [ 137.456800] ? lock_acquire+0x1db/0x570 [ 137.460784] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 137.465993] ? lockdep_hardirqs_on+0x415/0x5d0 [ 137.470584] ? trace_hardirqs_on+0xbd/0x310 [ 137.474910] ? __kthread_parkme+0xc3/0x1b0 [ 137.479145] ? trace_hardirqs_off_caller+0x300/0x300 [ 137.484243] ? do_raw_spin_trylock+0x270/0x270 [ 137.488823] ? schedule+0x108/0x350 [ 137.492440] ? do_raw_spin_trylock+0x270/0x270 [ 137.497020] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 137.502239] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 137.507807] ? __kthread_parkme+0xfb/0x1b0 [ 137.512149] kthread+0x357/0x430 [ 137.515526] ? process_one_work+0x1ce0/0x1ce0 [ 137.520025] ? kthread_stop+0x920/0x920 [ 137.524002] ret_from_fork+0x3a/0x50 [ 137.529290] Kernel Offset: disabled [ 137.533041] Rebooting in 86400 seconds..