[ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.449243] REISERFS (device loop0): found reiserfs format "3.6" with standard journal [ 28.458715] REISERFS (device loop0): using ordered data mode [ 28.468853] reiserfs: using flush barriers [ 28.474708] REISERFS (device loop0): journal params: device loop0, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 [ 28.492068] REISERFS (device loop0): checking transaction log (loop0) [ 29.038302] REISERFS (device loop0): Using rupasov hash to sort names [ 29.045344] ------------[ cut here ]------------ [ 29.050192] WARNING: CPU: 1 PID: 8009 at fs/inode.c:967 unlock_new_inode+0x9a/0xc0 [ 29.057900] Kernel panic - not syncing: panic_on_warn set ... [ 29.057900] [ 29.065247] CPU: 1 PID: 8009 Comm: syz-executor410 Not tainted 4.14.202-syzkaller #0 [ 29.073124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.082472] Call Trace: [ 29.085044] dump_stack+0x1b2/0x283 [ 29.088739] panic+0x1f9/0x42d [ 29.092002] ? add_taint.cold+0x16/0x16 [ 29.095968] ? unlock_new_inode+0x9a/0xc0 [ 29.100109] ? unlock_new_inode+0x9a/0xc0 [ 29.104232] __warn.cold+0x20/0x4b [ 29.107749] ? ist_end_non_atomic+0x10/0x10 [ 29.112046] ? unlock_new_inode+0x9a/0xc0 [ 29.116190] report_bug+0x208/0x249 [ 29.119797] do_error_trap+0x195/0x2d0 [ 29.123658] ? math_error+0x2d0/0x2d0 [ 29.127435] ? trace_hardirqs_on+0x10/0x10 [ 29.131649] ? reiserfs_write_lock_nested+0x59/0xd0 [ 29.136642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.141463] invalid_op+0x1b/0x40 [ 29.144891] RIP: 0010:unlock_new_inode+0x9a/0xc0 [ 29.149899] RSP: 0018:ffff88809651f6d8 EFLAGS: 00010297 [ 29.155237] RAX: ffff8880b329c3c0 RBX: ffff88808884c1a8 RCX: 0000000000000000 [ 29.162500] RDX: 0000000000000000 RSI: 0000000000009f18 RDI: ffff88808884c234 [ 29.169753] RBP: 0000000000000000 R08: ffffffff8ba2262c R09: 0000000000001ce2 [ 29.177021] R10: 0000000000000001 R11: ffff8880b329c3c0 R12: ffff88808884c280 [ 29.184270] R13: ffff88808884c230 R14: 0000000000000000 R15: 00000000fffffff4 [ 29.191544] ? unlock_new_inode+0x9a/0xc0 [ 29.195685] reiserfs_new_inode+0x3a4/0x2100 [ 29.200070] ? __mutex_lock+0x360/0x1310 [ 29.204144] ? reiserfs_fh_to_parent+0x180/0x180 [ 29.208892] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.214343] ? __mutex_unlock_slowpath+0x75/0x770 [ 29.220042] ? wait_for_completion_io+0x10/0x10 [ 29.224686] ? wait_for_completion_io+0x10/0x10 [ 29.229396] ? do_journal_begin_r+0xaaa/0xde0 [ 29.233897] reiserfs_mkdir+0x41d/0x8b0 [ 29.237857] ? reiserfs_mknod+0x690/0x690 [ 29.241996] reiserfs_xattr_init+0x393/0xa49 [ 29.246413] reiserfs_fill_super+0x1b18/0x28be [ 29.250997] ? reiserfs_remount+0x1390/0x1390 [ 29.255473] ? lock_downgrade+0x740/0x740 [ 29.259598] ? snprintf+0xa5/0xd0 [ 29.263032] mount_bdev+0x2b3/0x360 [ 29.266647] ? reiserfs_remount+0x1390/0x1390 [ 29.271121] mount_fs+0x92/0x2a0 [ 29.274485] vfs_kern_mount.part.0+0x5b/0x470 [ 29.278956] do_mount+0xe53/0x2a00 [ 29.282488] ? retint_kernel+0x2d/0x2d [ 29.286374] ? copy_mount_string+0x40/0x40 [ 29.290591] ? copy_mount_options+0x194/0x2f0 [ 29.295061] ? copy_mount_options+0x1fa/0x2f0 [ 29.299549] ? copy_mnt_ns+0xa30/0xa30 [ 29.303411] SyS_mount+0xa8/0x120 [ 29.306854] ? copy_mnt_ns+0xa30/0xa30 [ 29.310734] do_syscall_64+0x1d5/0x640 [ 29.314603] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.319797] RIP: 0033:0x44701a [ 29.322963] RSP: 002b:00007ffe14989a28 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 29.330661] RAX: ffffffffffffffda RBX: 00007ffe14989a80 RCX: 000000000044701a [ 29.337908] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe14989a40 [ 29.345152] RBP: 00007ffe14989a40 R08: 00007ffe14989a80 R09: 00007ffe00000015 [ 29.352400] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000007 [ 29.359673] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 29.368045] Kernel Offset: disabled [ 29.371743] Rebooting in 86400 seconds..