[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.331162][ T7197] FAULT_INJECTION: forcing a failure. [ 43.331162][ T7197] name failslab, interval 1, probability 0, space 0, times 1 [ 43.343970][ T7197] CPU: 1 PID: 7197 Comm: syz-executor480 Not tainted 5.6.0-rc7-syzkaller #0 [ 43.352659][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.362741][ T7197] Call Trace: [ 43.366369][ T7197] dump_stack+0x1e9/0x30e [ 43.370688][ T7197] should_fail+0x433/0x5b0 [ 43.375177][ T7197] ? smk_cipso_doi+0x1af/0x4e0 [ 43.379937][ T7197] should_failslab+0x5/0x20 [ 43.384420][ T7197] kmem_cache_alloc_trace+0x57/0x300 [ 43.389694][ T7197] smk_cipso_doi+0x1af/0x4e0 [ 43.394300][ T7197] smk_write_doi+0x123/0x190 [ 43.398881][ T7197] ? smk_read_doi+0xd0/0xd0 [ 43.403370][ T7197] __vfs_write+0xa7/0x710 [ 43.407696][ T7197] ? rcu_read_lock_any_held+0x138/0x1a0 [ 43.413233][ T7197] vfs_write+0x271/0x570 [ 43.417469][ T7197] ksys_write+0x115/0x220 [ 43.421785][ T7197] do_syscall_64+0xf3/0x1b0 [ 43.426299][ T7197] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.432190][ T7197] RIP: 0033:0x4404e9 [ 43.436074][ T7197] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.456105][ T7197] RSP: 002b:00007ffebd499a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.464615][ T7197] RAX: ffffffffffffffda RBX: 00007ffebd499a40 RCX: 00000000004404e9 [ 43.472711][ T7197] RDX: 0000000000000014 RSI: 0000000020000040 RDI: 0000000000000003 [ 43.480700][ T7197] RBP: 0000000000000004 R08: 0000000000000001 R09: 00007ffebd490031 [ 43.488683][ T7197] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401dd0 [ 43.496656][ T7197] R13: 0000000000401e60 R14: 0000000000000000 R15: 0000000000000000 [ 43.515900][ T7197] Kernel panic - not syncing: smack: Failed to initialize cipso DOI. [ 43.524262][ T7197] CPU: 1 PID: 7197 Comm: syz-executor480 Not tainted 5.6.0-rc7-syzkaller #0 [ 43.532951][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.543001][ T7197] Call Trace: [ 43.546312][ T7197] dump_stack+0x1e9/0x30e [ 43.550632][ T7197] panic+0x264/0x7a0 [ 43.554507][ T7197] ? smk_cipso_doi+0x1af/0x4e0 [ 43.559256][ T7197] ? smk_cipso_doi+0x1be/0x4e0 [ 43.564047][ T7197] smk_cipso_doi+0x4d8/0x4e0 [ 43.568622][ T7197] smk_write_doi+0x123/0x190 [ 43.573202][ T7197] ? smk_read_doi+0xd0/0xd0 [ 43.577686][ T7197] __vfs_write+0xa7/0x710 [ 43.582009][ T7197] ? rcu_read_lock_any_held+0x138/0x1a0 [ 43.587634][ T7197] vfs_write+0x271/0x570 [ 43.591985][ T7197] ksys_write+0x115/0x220 [ 43.596315][ T7197] do_syscall_64+0xf3/0x1b0 [ 43.600805][ T7197] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.606684][ T7197] RIP: 0033:0x4404e9 [ 43.610563][ T7197] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 43.630848][ T7197] RSP: 002b:00007ffebd499a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.639275][ T7197] RAX: ffffffffffffffda RBX: 00007ffebd499a40 RCX: 00000000004404e9 [ 43.647258][ T7197] RDX: 0000000000000014 RSI: 0000000020000040 RDI: 0000000000000003 [ 43.655213][ T7197] RBP: 0000000000000004 R08: 0000000000000001 R09: 00007ffebd490031 [ 43.663233][ T7197] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401dd0 [ 43.671346][ T7197] R13: 0000000000401e60 R14: 0000000000000000 R15: 0000000000000000 [ 43.680825][ T7197] Kernel Offset: disabled [ 43.685220][ T7197] Rebooting in 86400 seconds..