[ 28.908316] audit: type=1800 audit(1542225792.962:27): pid=5869 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 28.930211] audit: type=1800 audit(1542225792.962:28): pid=5869 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. [ 29.635013] audit: type=1800 audit(1542225793.762:29): pid=5869 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 [ 29.654714] audit: type=1800 audit(1542225793.762:30): pid=5869 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 '10.128.0.126' (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 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 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 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 syzkaller login: [ 40.355238] kasan: CONFIG_KASAN_INLINE enabled [ 40.360031] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.369576] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.375806] CPU: 1 PID: 7394 Comm: syz-executor454 Not tainted 4.20.0-rc2+ #236 [ 40.383234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.392578] RIP: 0010:keyctl_pkey_params_get+0x2e7/0x550 [ 40.398008] 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 [ 40.416894] RSP: 0018:ffff8881bef5fa40 EFLAGS: 00010246 [ 40.422239] RAX: 0000000000000000 RBX: ffff8881bef5fd08 RCX: ffffffff8342b630 [ 40.429489] RDX: 0000000000000000 RSI: ffffffff8342b63e RDI: 0000000000000001 [ 40.436739] RBP: ffff8881bef5fba8 R08: ffff8881bef365c0 R09: ffffed1039afafb8 [ 40.443989] R10: ffffed1039afafb8 R11: 0000000000000002 R12: 0000000000000000 [ 40.451241] R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff [ 40.458492] FS: 0000000000000000(0000) GS:ffff8881daf00000(0063) knlGS:00000000f7f4ab40 [ 40.466701] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 40.472568] CR2: 00000000200000c0 CR3: 00000001bfe1e000 CR4: 00000000001406e0 [ 40.479820] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.487073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.494322] Call Trace: [ 40.496899] ? __keyctl_dh_compute.cold.3+0x71/0x71 [ 40.501899] ? retint_kernel+0x2d/0x2d [ 40.505778] ? __sanitizer_cov_trace_const_cmp8+0x1/0x20 [ 40.511230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 40.516764] ? _copy_from_user+0xdf/0x150 [ 40.520901] keyctl_pkey_params_get_2+0x12f/0x580 [ 40.525729] ? keyctl_pkey_params_get+0x550/0x550 [ 40.530577] ? fget_raw+0x20/0x20 [ 40.534028] ? check_preemption_disabled+0x48/0x280 [ 40.539031] keyctl_pkey_e_d_s+0xb0/0x4f0 [ 40.543167] ? keyctl_pkey_query+0x2b0/0x2b0 [ 40.547580] ? entry_SYSENTER_compat+0x70/0x7f [ 40.552147] __ia32_compat_sys_keyctl+0x13d/0x430 [ 40.556974] do_fast_syscall_32+0x34d/0xfb2 [ 40.561290] ? do_int80_syscall_32+0x890/0x890 [ 40.565858] ? entry_SYSENTER_compat+0x68/0x7f [ 40.570432] ? trace_hardirqs_off_caller+0xbb/0x310 [ 40.575488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.580341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.585167] ? trace_hardirqs_on_caller+0x310/0x310 [ 40.590169] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 40.595168] ? prepare_exit_to_usermode+0x291/0x3b0 [ 40.600168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.604994] entry_SYSENTER_compat+0x70/0x7f [ 40.609382] RIP: 0023:0xf7f4ea29 [ 40.612733] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 40.631619] RSP: 002b:00000000f7f4a1ec EFLAGS: 00000296 ORIG_RAX: 0000000000000120 [ 40.639314] RAX: ffffffffffffffda RBX: 000000000000001b RCX: 0000000020000080 [ 40.646565] RDX: 00000000200000c0 RSI: 0000000000000053 RDI: 00000000200001c0 [ 40.653815] RBP: 000000004020ae46 R08: 0000000000000000 R09: 0000000000000000 [ 40.661088] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 40.668354] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.675608] Modules linked in: [ 40.679384] ---[ end trace 338089a5b6b6a742 ]--- [ 40.684191] RIP: 0010:keyctl_pkey_params_get+0x2e7/0x550 [ 40.689660] 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 [ 40.708929] RSP: 0018:ffff8881bef5fa40 EFLAGS: 00010246 [ 40.714322] RAX: 0000000000000000 RBX: ffff8881bef5fd08 RCX: ffffffff8342b630 [ 40.721677] kobject: 'regulatory.0' (0000000066b09569): kobject_uevent_env [ 40.722761] RDX: 0000000000000000 RSI: ffffffff8342b63e RDI: 0000000000000001 [ 40.728699] kobject: 'regulatory.0' (0000000066b09569): fill_kobj_path: path = '/devices/platform/regulatory.0' [ 40.746432] RBP: ffff8881bef5fba8 R08: ffff8881bef365c0 R09: ffffed1039afafb8 [ 40.753728] R10: ffffed1039afafb8 R11: 0000000000000002 R12: 0000000000000000 [ 40.761003] R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff [ 40.768291] FS: 0000000000000000(0000) GS:ffff8881dae00000(0063) knlGS:00000000f7f4ab40 [ 40.776551] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 40.782446] CR2: 0000000001bc6000 CR3: 00000001bfe1e000 CR4: 00000000001406f0 [ 40.789715] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.797001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.804317] Kernel panic - not syncing: Fatal exception [ 40.810553] Kernel Offset: disabled [ 40.814177] Rebooting in 86400 seconds..