[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 32.733870] kauditd_printk_skb: 9 callbacks suppressed [ 32.733885] audit: type=1800 audit(1542225799.699:33): pid=5972 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 [ 32.761872] audit: type=1800 audit(1542225799.729:34): pid=5972 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 [ 33.118554] audit: type=1400 audit(1542225800.089:35): avc: denied { map } for pid=6146 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.112' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 103.187284] audit: type=1400 audit(1542225870.149:36): avc: denied { map } for pid=6161 comm="syz-executor063" path="/root/syz-executor063354207" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 103.770060] kasan: CONFIG_KASAN_INLINE enabled [ 103.774744] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 103.782178] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 103.788412] CPU: 1 PID: 6371 Comm: syz-executor063 Not tainted 4.20.0-rc2+ #112 [ 103.795850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.805204] RIP: 0010:keyctl_pkey_params_get+0x2e7/0x550 [ 103.810651] Code: fe 48 8b 44 24 38 48 c1 e8 03 42 80 3c 28 00 0f 85 f7 01 00 00 4c 8b a4 24 e0 00 00 00 4c 89 e0 4c 89 e2 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 e0 01 00 00 41 0f b6 04 24 [ 103.829632] RSP: 0018:ffff8881af4dfa90 EFLAGS: 00010206 [ 103.834995] RAX: 03fffe2206bd37f0 RBX: ffff8881af4dfd60 RCX: ffffffff8342b630 [ 103.842250] RDX: 0000000000000005 RSI: ffffffff8342b63e RDI: 0000000000000001 [ 103.849506] RBP: ffff8881af4dfc00 R08: ffff8881af5b65c0 R09: ffffed1039cfe290 [ 103.856758] R10: ffffed1039cfe290 R11: 0000000000000002 R12: 1ffff11035e9bf85 [ 103.864013] R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff [ 103.871270] FS: 0000000000fe9880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 103.879477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.885340] CR2: 00000000200000c0 CR3: 00000001bb5fe000 CR4: 00000000001406e0 [ 103.892627] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.899892] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.907141] Call Trace: [ 103.909720] ? __keyctl_dh_compute.cold.3+0x71/0x71 [ 103.914725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.919469] ? retint_kernel+0x2d/0x2d [ 103.923347] ? keyctl_pkey_params_get_2+0xe6/0x580 [ 103.928266] keyctl_pkey_params_get_2+0x12f/0x580 [ 103.933095] ? keyctl_pkey_params_get+0x550/0x550 [ 103.937922] ? trace_hardirqs_off_caller+0x310/0x310 [ 103.943012] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 103.948024] ? __fget_light+0x2e9/0x430 [ 103.951998] ? kasan_check_write+0x14/0x20 [ 103.956217] ? up_read+0x225/0x2c0 [ 103.959747] keyctl_pkey_e_d_s+0xb0/0x4f0 [ 103.963883] ? keyctl_pkey_query+0x2b0/0x2b0 [ 103.968289] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 103.972866] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.978243] ? trace_hardirqs_off_caller+0x310/0x310 [ 103.983340] __x64_sys_keyctl+0x12f/0x430 [ 103.987472] do_syscall_64+0x1b9/0x820 [ 103.991342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 103.996696] ? syscall_return_slowpath+0x5e0/0x5e0 [ 104.001615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 104.006460] ? trace_hardirqs_on_caller+0x310/0x310 [ 104.011471] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 104.016484] ? prepare_exit_to_usermode+0x291/0x3b0 [ 104.021484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 104.026400] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.031600] RIP: 0033:0x440de9 [ 104.034777] Code: e8 cc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.053667] RSP: 002b:00007ffcc9348548 EFLAGS: 00000286 ORIG_RAX: 00000000000000fa [ 104.061359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440de9 [ 104.068610] RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 000000000000001b [ 104.075861] RBP: 0000000000000000 R08: 00000000200001c0 R09: 00000000004002c8 [ 104.083117] R10: 0000000000000053 R11: 0000000000000286 R12: 000000000001953d [ 104.090371] R13: 0000000000401dc0 R14: 0000000000000000 R15: 0000000000000000 [ 104.097625] Modules linked in: [ 104.100926] ---[ end trace 6bd409041502ff52 ]--- [ 104.105703] RIP: 0010:keyctl_pkey_params_get+0x2e7/0x550 [ 104.111199] Code: fe 48 8b 44 24 38 48 c1 e8 03 42 80 3c 28 00 0f 85 f7 01 00 00 4c 8b a4 24 e0 00 00 00 4c 89 e0 4c 89 e2 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 e0 01 00 00 41 0f b6 04 24 [ 104.130216] RSP: 0018:ffff8881af4dfa90 EFLAGS: 00010206 [ 104.135564] RAX: 03fffe2206bd37f0 RBX: ffff8881af4dfd60 RCX: ffffffff8342b630 [ 104.142854] RDX: 0000000000000005 RSI: ffffffff8342b63e RDI: 0000000000000001 [ 104.150145] RBP: ffff8881af4dfc00 R08: ffff8881af5b65c0 R09: ffffed1039cfe290 [ 104.157401] R10: ffffed1039cfe290 R11: 0000000000000002 R12: 1ffff11035e9bf85 [ 104.164692] R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff [ 104.171980] FS: 0000000000fe9880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 104.180222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.186098] CR2: 00000000200000c0 CR3: 00000001bb5fe000 CR4: 00000000001406e0 [ 104.193397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.200700] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.207959] Kernel panic - not syncing: Fatal exception [ 104.214225] Kernel Offset: disabled [ 104.217847] Rebooting in 86400 seconds..