[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.689234] audit: type=1400 audit(1601841552.128:8): avc: denied { execmem } for pid=6498 comm="syz-executor410" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.718645] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 40.727346] REISERFS (device loop0): using ordered data mode [ 40.733350] reiserfs: using flush barriers [ 40.739481] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 40.759516] REISERFS (device loop0): checking transaction log (loop0) [ 42.430260] REISERFS (device loop0): Using rupasov hash to sort names [ 42.437399] ------------[ cut here ]------------ [ 42.442670] WARNING: CPU: 0 PID: 6499 at fs/inode.c:979 unlock_new_inode.cold+0x11/0x3f [ 42.450823] Kernel panic - not syncing: panic_on_warn set ... [ 42.450823] [ 42.458187] CPU: 0 PID: 6499 Comm: syz-executor410 Not tainted 4.19.149-syzkaller #0 [ 42.466043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.475385] Call Trace: [ 42.478968] dump_stack+0x22c/0x33e [ 42.482595] panic+0x2ac/0x565 [ 42.485769] ? __warn_printk+0xf3/0xf3 [ 42.489647] ? unlock_new_inode.cold+0x11/0x3f [ 42.494227] ? __probe_kernel_read+0x130/0x1b0 [ 42.498801] ? __warn.cold+0x5/0x5a [ 42.502417] ? __warn+0xe4/0x200 [ 42.505783] ? unlock_new_inode.cold+0x11/0x3f [ 42.510348] __warn.cold+0x20/0x5a [ 42.513872] ? unlock_new_inode.cold+0x11/0x3f [ 42.518436] report_bug+0x262/0x2b0 [ 42.522061] do_error_trap+0x1e1/0x330 [ 42.525949] ? math_error+0x320/0x320 [ 42.529738] ? __irq_work_queue_local+0x155/0x200 [ 42.534578] ? irq_work_queue+0x29/0x80 [ 42.538537] ? error_entry+0x72/0xd0 [ 42.542239] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.547246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.552120] invalid_op+0x14/0x20 [ 42.555588] RIP: 0010:unlock_new_inode.cold+0x11/0x3f [ 42.560762] Code: ee e8 21 d7 b4 ff 48 c7 c7 80 0f 16 88 e8 c4 52 9e ff 0f 0b e9 a7 76 ff ff e8 09 d7 b4 ff 48 c7 c7 80 0f 16 88 e8 ac 52 9e ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 [ 42.579921] RSP: 0018:ffff8880888e7600 EFLAGS: 00010282 [ 42.585281] RAX: 0000000000000024 RBX: ffff8880806f81a8 RCX: 0000000000000000 [ 42.592535] RDX: 0000000000000000 RSI: ffffffff815b623f RDI: ffffed101111ceb2 [ 42.599798] RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 [ 42.607066] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880806f8278 [ 42.614335] R13: ffff8880806f8230 R14: 0000000000000000 R15: 00000000fffffff4 [ 42.621639] ? vprintk_func+0x7f/0x224 [ 42.625542] reiserfs_new_inode+0x3b8/0x2150 [ 42.629951] ? find_held_lock+0x58/0x110 [ 42.634006] ? reiserfs_fh_to_parent+0x1b0/0x1b0 [ 42.638746] ? ww_mutex_unlock+0x2f0/0x2f0 [ 42.643406] ? do_journal_begin_r+0x298/0x10d0 [ 42.647986] ? ww_mutex_unlock+0x2f0/0x2f0 [ 42.652205] ? __mutex_unlock_slowpath+0xea/0x660 [ 42.657030] ? __mutex_add_waiter+0x160/0x160 [ 42.661531] ? __mutex_add_waiter+0x160/0x160 [ 42.666015] ? do_journal_begin_r+0xd24/0x10d0 [ 42.670608] ? security_old_inode_init_security+0xf4/0x130 [ 42.676237] reiserfs_mkdir+0x4ad/0x980 [ 42.680216] ? reiserfs_mknod+0x700/0x700 [ 42.684359] reiserfs_xattr_init+0x406/0xae0 [ 42.688757] reiserfs_fill_super+0x222a/0x2e60 [ 42.693324] ? reiserfs_remount+0x1640/0x1640 [ 42.697816] ? lock_downgrade+0x750/0x750 [ 42.701963] ? snprintf+0xbb/0xf0 [ 42.705408] ? __mutex_add_waiter+0x160/0x160 [ 42.709893] mount_bdev+0x2fc/0x3b0 [ 42.713532] ? reiserfs_remount+0x1640/0x1640 [ 42.718010] mount_fs+0xa3/0x318 [ 42.721362] vfs_kern_mount.part.0+0x68/0x470 [ 42.725842] do_mount+0x51c/0x2f10 [ 42.729368] ? check_preemption_disabled+0x41/0x2b0 [ 42.734383] ? copy_mount_string+0x40/0x40 [ 42.738622] ? kmem_cache_alloc_trace+0x379/0x4b0 [ 42.743462] ? _copy_from_user+0xd2/0x130 [ 42.747607] ? copy_mount_options+0x261/0x370 [ 42.752096] ksys_mount+0xcf/0x130 [ 42.755629] __x64_sys_mount+0xba/0x150 [ 42.759596] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 42.764175] do_syscall_64+0xf9/0x670 [ 42.767961] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.773133] RIP: 0033:0x447dba [ 42.776323] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d a3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5a a3 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 42.795215] RSP: 002b:00007fff1d1abfa8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 42.802905] RAX: ffffffffffffffda RBX: 00007fff1d1ac000 RCX: 0000000000447dba [ 42.810155] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff1d1abfc0 [ 42.817420] RBP: 00007fff1d1abfc0 R08: 00007fff1d1ac000 R09: 0000000000000000 [ 42.824672] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000007 [ 42.831923] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 42.840502] Kernel Offset: disabled [ 42.844266] Rebooting in 86400 seconds..