INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.864056] FAULT_INJECTION: forcing a failure. [ 32.864056] name failslab, interval 1, probability 0, space 0, times 1 [ 32.875295] CPU: 1 PID: 5551 Comm: syz-executor016 Not tainted 4.19.0-rc4-next-20180920+ #76 [ 32.883881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.893219] Call Trace: [ 32.895790] dump_stack+0x1d3/0x2c4 [ 32.899410] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.904589] ? filename_lookup+0x39a/0x520 [ 32.908822] ? user_path_at_empty+0x40/0x50 [ 32.913132] ? do_mount+0x180/0x1db0 [ 32.916831] ? ksys_mount+0x12d/0x140 [ 32.920618] ? do_syscall_64+0x1b9/0x820 [ 32.924668] should_fail.cold.4+0xa/0x17 [ 32.928713] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 32.933817] ? kasan_check_write+0x14/0x20 [ 32.938039] ? trace_hardirqs_off+0xb8/0x310 [ 32.942435] ? graph_lock+0x170/0x170 [ 32.946222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.951748] ? check_preemption_disabled+0x48/0x200 [ 32.956752] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 32.962276] ? find_held_lock+0x36/0x1c0 [ 32.966339] ? filename_lookup+0x39f/0x520 [ 32.970558] ? ttwu_stat+0x5c0/0x5c0 [ 32.974259] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 32.979784] __should_failslab+0x124/0x180 [ 32.984013] should_failslab+0x9/0x14 [ 32.987793] kmem_cache_alloc_trace+0x2d7/0x750 [ 32.992457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.997980] vfs_new_fs_context+0x5e/0x77c [ 33.002201] ? ns_capable_common+0x13f/0x170 [ 33.006598] do_mount+0xb13/0x1db0 [ 33.010125] ? lock_release+0x970/0x970 [ 33.014084] ? copy_mount_string+0x40/0x40 [ 33.018311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.023837] ? _copy_from_user+0xdf/0x150 [ 33.027978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.033502] ? copy_mount_options+0x315/0x430 [ 33.037982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.043507] ksys_mount+0x12d/0x140 [ 33.047116] __x64_sys_mount+0xbe/0x150 [ 33.051076] do_syscall_64+0x1b9/0x820 [ 33.054947] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.060299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 33.065215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.070040] ? trace_hardirqs_off+0x310/0x310 [ 33.074519] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 33.079519] ? prepare_exit_to_usermode+0x291/0x3b0 [ 33.084522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.089355] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.094528] RIP: 0033:0x440329 [ 33.097706] 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 [ 33.116597] RSP: 002b:00007ffc6e4c9ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.124315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440329 [ 33.131571] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 33.138834] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000034 [ 33.146105] R10: 00000000001800a0 R11: 0000000000000246 R12: 0000000000000003 [ 33.153358] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 [ 33.160740] BUG: unable to handle kernel paging request at fffffffffffffff4 [ 33.167851] PGD 966d067 P4D 966d067 PUD 966f067 PMD 0 [ 33.173125] Oops: 0000 [#1] PREEMPT SMP KASAN [ 33.177601] CPU: 1 PID: 5551 Comm: syz-executor016 Not tainted 4.19.0-rc4-next-20180920+ #76 [ 33.186153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.195494] RIP: 0010:do_mount+0xb3b/0x1db0 [ 33.199804] Code: 06 00 48 89 c2 48 89 c3 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 24 11 00 00 48 b8 00 00 00 00 00 fc ff df <4c> 8b 33 49 8d 7e 18 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f8 10 [ 33.218690] RSP: 0018:ffff8801bb99fc28 EFLAGS: 00010246 [ 33.224036] RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000 [ 33.231288] RDX: 1ffffffffffffffe RSI: ffffffff81ddffac RDI: 0000000000000282 [ 33.238538] RBP: ffff8801bb99fdb0 R08: ffff8801d8b0e600 R09: ffffed003b5a5b57 [ 33.245786] R10: ffffed003b5a5b57 R11: ffff8801dad2dabb R12: ffff8801d3666830 [ 33.253046] R13: ffff8801c942cb80 R14: ffff8801c942cb80 R15: 0000000000000000 [ 33.260298] FS: 00000000010de880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 33.268507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.274395] CR2: fffffffffffffff4 CR3: 00000001d84b5000 CR4: 00000000001406e0 [ 33.281649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.288901] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.296147] Call Trace: [ 33.298718] ? lock_release+0x970/0x970 [ 33.302682] ? copy_mount_string+0x40/0x40 [ 33.306905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.312425] ? _copy_from_user+0xdf/0x150 [ 33.316552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.322070] ? copy_mount_options+0x315/0x430 [ 33.326548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.332068] ksys_mount+0x12d/0x140 [ 33.335676] __x64_sys_mount+0xbe/0x150 [ 33.339634] do_syscall_64+0x1b9/0x820 [ 33.343502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.348866] ? syscall_return_slowpath+0x5e0/0x5e0 [ 33.353777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.358608] ? trace_hardirqs_off+0x310/0x310 [ 33.363084] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 33.368083] ? prepare_exit_to_usermode+0x291/0x3b0 [ 33.373084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.377909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.383077] RIP: 0033:0x440329 [ 33.386253] 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 [ 33.405138] RSP: 002b:00007ffc6e4c9ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 33.412826] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440329 [ 33.420075] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 33.427339] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000034 [ 33.434590] R10: 00000000001800a0 R11: 0000000000000246 R12: 0000000000000003 [ 33.441840] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 [ 33.449096] Modules linked in: [ 33.452269] CR2: fffffffffffffff4 [ 33.455706] ---[ end trace 8aa3e592ff591401 ]--- [ 33.460449] RIP: 0010:do_mount+0xb3b/0x1db0 [ 33.464781] Code: 06 00 48 89 c2 48 89 c3 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 24 11 00 00 48 b8 00 00 00 00 00 fc ff df <4c> 8b 33 49 8d 7e 18 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f8 10 [ 33.483671] RSP: 0018:ffff8801bb99fc28 EFLAGS: 00010246 [ 33.489022] RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000 [ 33.496280] RDX: 1ffffffffffffffe RSI: ffffffff81ddffac RDI: 0000000000000282 [ 33.503527] RBP: ffff8801bb99fdb0 R08: ffff8801d8b0e600 R09: ffffed003b5a5b57 [ 33.510777] R10: ffffed003b5a5b57 R11: ffff8801dad2dabb R12: ffff8801d3666830 [ 33.518037] R13: ffff8801c942cb80 R14: ffff8801c942cb80 R15: 0000000000000000 [ 33.525290] FS: 00000000010de880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 33.533507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.539377] CR2: fffffffffffffff4 CR3: 00000001d84b5000 CR4: 00000000001406e0 [ 33.546630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.553895] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.561145] Kernel panic - not syncing: Fatal exception [ 33.567492] Kernel Offset: disabled [ 33.571116] Rebooting in 86400 seconds..