[ 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 '10.128.1.55' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 46.103731] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.103731] executing program [ 46.183317] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.183317] executing program [ 46.259725] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.259725] executing program [ 46.338844] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.338844] executing program [ 46.379489] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.379489] executing program [ 46.503407] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.503407] executing program executing program [ 46.613116] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.613116] executing program [ 46.682630] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.682630] executing program [ 46.762923] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.762923] executing program executing program executing program executing program [ 46.963805] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 46.963805] executing program executing program executing program executing program executing program executing program executing program [ 47.300083] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 47.300083] executing program executing program executing program [ 47.353881] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 47.353881] executing program executing program executing program executing program [ 47.538757] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 47.538757] executing program executing program executing program executing program executing program executing program executing program executing program [ 47.912870] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 47.912870] executing program [ 48.013248] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.013248] executing program executing program [ 48.126550] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.126550] executing program [ 48.190215] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.190215] executing program executing program [ 48.233272] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.233272] executing program executing program [ 48.363107] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.363107] executing program executing program [ 48.518436] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.518436] executing program [ 48.609847] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.609847] executing program executing program executing program [ 48.752802] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.752802] executing program [ 48.852232] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 48.852232] executing program executing program executing program [ 49.027577] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.027577] executing program [ 49.118004] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.118004] executing program [ 49.232297] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.232297] executing program [ 49.337809] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.337809] executing program [ 49.429112] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.429112] executing program executing program executing program [ 49.522480] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.522480] executing program executing program executing program [ 49.705495] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.705495] [ 49.811713] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.811713] executing program executing program executing program executing program [ 49.942754] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 49.942754] executing program executing program [ 50.108435] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.108435] executing program [ 50.201517] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.201517] [ 50.262883] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.262883] executing program executing program executing program executing program executing program executing program executing program [ 50.412151] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.412151] executing program executing program [ 50.657672] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.657672] executing program executing program [ 50.738343] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.738343] executing program [ 50.857663] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.857663] executing program executing program [ 50.958763] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 50.958763] executing program [ 51.052633] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 51.052633] executing program executing program [ 51.183075] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 51.183075] executing program executing program [ 51.268915] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 51.268915] executing program executing program executing program executing program [ 51.441792] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 51.441792] executing program executing program [ 51.498976] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 51.498976] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.900909] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 51.900909] executing program executing program executing program [ 52.059071] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.059071] executing program [ 52.157536] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.157536] executing program [ 52.251488] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.251488] executing program [ 52.352239] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.352239] executing program [ 52.461313] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.461313] executing program executing program executing program executing program [ 52.577837] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.577837] executing program executing program [ 52.686951] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.686951] executing program [ 52.771627] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.771627] executing program [ 52.870836] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 52.870836] executing program executing program [ 53.003572] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.003572] executing program [ 53.081089] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.081089] executing program executing program executing program [ 53.221628] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.221628] executing program executing program [ 53.350883] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.350883] executing program executing program executing program executing program [ 53.537276] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.537276] executing program executing program executing program executing program [ 53.707184] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.707184] executing program [ 53.800964] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.800964] executing program executing program executing program [ 53.925510] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 53.925510] executing program executing program [ 54.017409] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.017409] executing program executing program [ 54.108905] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.108905] executing program executing program executing program executing program [ 54.296834] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.296834] executing program executing program executing program [ 54.427043] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.427043] executing program executing program [ 54.479933] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.479933] executing program [ 54.557056] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.557056] executing program executing program [ 54.640904] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.640904] executing program [ 54.737807] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.737807] executing program [ 54.837220] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.837220] executing program executing program [ 54.948233] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 54.948233] executing program executing program [ 55.069176] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.069176] executing program executing program executing program [ 55.266387] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.266387] executing program executing program [ 55.407495] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.407495] executing program [ 55.511771] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.511771] executing program [ 55.610324] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.610324] [ 55.696896] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.696896] executing program executing program [ 55.807650] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.807650] [ 55.910163] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.910163] executing program executing program executing program [ 55.996910] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 55.996910] executing program executing program executing program [ 56.188589] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 56.188589] executing program [ 56.290634] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 56.290634] executing program [ 56.387808] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 56.387808] executing program executing program [ 56.523608] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 56.523608] executing program [ 56.666672] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 56.666672] executing program executing program executing program executing program [ 56.850339] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 56.850339] executing program executing program executing program executing program executing program [ 57.037605] kasan: CONFIG_KASAN_INLINE enabled [ 57.042459] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 57.050968] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 57.057213] CPU: 1 PID: 9225 Comm: syz-executor176 Not tainted 4.19.211-syzkaller #0 [ 57.065085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.074443] RIP: 0010:diFree+0x167/0x29c0 [ 57.078587] Code: 8b 44 24 10 48 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fb [ 57.097480] RSP: 0018:ffff88809133f930 EFLAGS: 00010247 [ 57.102837] RAX: dffffc0000000000 RBX: ffff8880a5992040 RCX: ffffffff8272bf79 [ 57.110101] RDX: 0000000000000000 RSI: ffffffff8274e8b2 RDI: ffff88808b69d668 [ 57.117368] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.124633] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b542db68 [ 57.131894] R13: 0000000000000004 R14: ffffffff889adf80 R15: ffff8880a3388d78 [ 57.139162] FS: 0000555556b39300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 57.147380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.153254] CR2: 00007f63d68a0d20 CR3: 00000000a1fe5000 CR4: 00000000003406e0 [ 57.160522] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.167791] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.175057] Call Trace: [ 57.177648] ? mark_held_locks+0xf0/0xf0 [ 57.181708] ? mount_fs+0xa3/0x310 [ 57.185245] ? vfs_kern_mount.part.0+0x68/0x470 [ 57.189913] ? do_mount+0x115c/0x2f50 [ 57.193711] ? ksys_mount+0xcf/0x130 [ 57.197426] ? __x64_sys_mount+0xba/0x150 [ 57.201572] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.206935] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 57.211515] ? __dquot_initialize+0x298/0xb70 [ 57.216018] ? __inode_wait_for_writeback+0x184/0x1f0 [ 57.221206] ? dquot_initialize_needed+0x290/0x290 [ 57.226133] ? diWrite+0x13c0/0x13c0 [ 57.229847] ? lock_downgrade+0x720/0x720 [ 57.233998] jfs_evict_inode+0x1a1/0x210 [ 57.238063] ? jfs_write_inode+0x1d0/0x1d0 [ 57.242295] evict+0x2ed/0x760 [ 57.245485] iput+0x4f1/0x860 [ 57.248595] diFreeSpecial+0x63/0x80 [ 57.252310] jfs_mount+0x23f/0x3d0 [ 57.255939] jfs_fill_super+0x55c/0xb50 [ 57.259911] ? parse_options+0xe70/0xe70 [ 57.263969] ? set_blocksize+0x163/0x3f0 [ 57.268030] mount_bdev+0x2fc/0x3b0 [ 57.271651] ? parse_options+0xe70/0xe70 [ 57.275707] mount_fs+0xa3/0x310 [ 57.279075] vfs_kern_mount.part.0+0x68/0x470 [ 57.283569] do_mount+0x115c/0x2f50 [ 57.287194] ? lock_acquire+0x170/0x3c0 [ 57.291169] ? check_preemption_disabled+0x41/0x280 [ 57.296181] ? copy_mount_string+0x40/0x40 [ 57.300412] ? copy_mount_options+0x59/0x380 [ 57.304819] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 57.309832] ? kmem_cache_alloc_trace+0x323/0x380 [ 57.314679] ? copy_mount_options+0x26f/0x380 [ 57.319173] ksys_mount+0xcf/0x130 [ 57.322716] __x64_sys_mount+0xba/0x150 [ 57.326689] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 57.331267] do_syscall_64+0xf9/0x620 [ 57.335067] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.340247] RIP: 0033:0x7f63d68c8dba [ 57.343957] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.362851] RSP: 002b:00007ffddb9e5e98 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 57.370553] RAX: ffffffffffffffda RBX: 00007ffddb9e5f00 RCX: 00007f63d68c8dba [ 57.377814] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffddb9e5ec0 [ 57.385076] RBP: 00007ffddb9e5ec0 R08: 00007ffddb9e5f00 R09: 0000000000000002 [ 57.392338] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000020000260 [ 57.399604] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000004 [ 57.406870] Modules linked in: [ 57.424655] ---[ end trace 0296b802c5b8f300 ]--- [ 57.429432] RIP: 0010:diFree+0x167/0x29c0 [ 57.433572] Code: 8b 44 24 10 48 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fb [ 57.460679] RSP: 0018:ffff88809133f930 EFLAGS: 00010247 [ 57.466589] RAX: dffffc0000000000 RBX: ffff8880a5992040 RCX: ffffffff8272bf79 [ 57.473864] RDX: 0000000000000000 RSI: ffffffff8274e8b2 RDI: ffff88808b69d668 [ 57.481954] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.489796] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b542db68 [ 57.497610] R13: 0000000000000004 R14: ffffffff889adf80 R15: ffff8880a3388d78 [ 57.505798] FS: 0000555556b39300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 57.514020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.520733] CR2: 00007fdaad015000 CR3: 00000000a1fe5000 CR4: 00000000003406e0 [ 57.528507] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.536317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.543619] Kernel panic - not syncing: Fatal exception [ 57.549131] Kernel Offset: disabled [ 57.552741] Rebooting in 86400 seconds..