[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.65' (ECDSA) to the list of known hosts.
syzkaller login: [ 35.635159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 35.642792] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 35.660946] ------------[ cut here ]------------
[ 35.665730] WARNING: CPU: 1 PID: 7999 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[ 35.673950] Kernel panic - not syncing: panic_on_warn set ...
[ 35.673950]
[ 35.681309] CPU: 1 PID: 7999 Comm: syz-executor199 Not tainted 4.14.302-syzkaller #0
[ 35.689180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 35.698529] Call Trace:
[ 35.701117] dump_stack+0x1b2/0x281
[ 35.704746] panic+0x1f9/0x42d
[ 35.707937] ? add_taint.cold+0x16/0x16
[ 35.711916] ? sysfs_warn_dup.cold+0x17/0x26
[ 35.716325] ? sysfs_warn_dup.cold+0x17/0x26
[ 35.720830] __warn.cold+0x20/0x44
[ 35.724379] ? ist_end_non_atomic+0x10/0x10
[ 35.728726] ? sysfs_warn_dup.cold+0x17/0x26
[ 35.733133] report_bug+0x208/0x250
[ 35.736757] do_error_trap+0x195/0x2d0
[ 35.740646] ? math_error+0x2d0/0x2d0
[ 35.744436] ? ___preempt_schedule+0x16/0x18
[ 35.748826] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 35.753647] invalid_op+0x1b/0x40
[ 35.757077] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[ 35.762069] RSP: 0018:ffff8880959c7728 EFLAGS: 00010282
[ 35.767410] RAX: 000000000000003a RBX: ffff88809564dd50 RCX: 0000000000000000
[ 35.774656] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012b38edb
[ 35.781903] RBP: ffff8880b18dca00 R08: 000000000000003a R09: 0000000000000000
[ 35.789150] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238837460
[ 35.796397] R13: ffff8880a9c810c0 R14: ffff88809564dd58 R15: ffff88809dbb5d18
[ 35.803655] ? sysfs_warn_dup.cold+0x17/0x26
[ 35.808044] sysfs_create_dir_ns+0x16f/0x1d0
[ 35.812431] kobject_add_internal+0x28b/0x930
[ 35.816908] kobject_init_and_add+0xde/0x120
[ 35.821309] ? kobject_create_and_add+0x200/0x200
[ 35.826143] ? vsnprintf+0x260/0x1340
[ 35.829924] gfs2_sys_fs_add+0x184/0x3f0
[ 35.833961] ? recover_store+0x100/0x100
[ 35.838000] ? snprintf+0xa5/0xd0
[ 35.841437] ? strscpy+0x94/0x280
[ 35.844869] fill_super+0x118b/0x2310
[ 35.848647] ? vsnprintf+0x260/0x1340
[ 35.852428] ? gfs2_online_uevent+0x1b0/0x1b0
[ 35.856901] ? pointer+0x9e0/0x9e0
[ 35.860526] ? snprintf+0xa5/0xd0
[ 35.863955] ? vsprintf+0x30/0x30
[ 35.867383] ? gfs2_open+0x160/0x160
[ 35.871076] ? set_blocksize+0x125/0x380
[ 35.875116] gfs2_mount+0x439/0x510
[ 35.878727] ? fill_super+0x2310/0x2310
[ 35.882689] ? alloc_pages_current+0x15d/0x260
[ 35.887247] ? __lockdep_init_map+0x100/0x560
[ 35.891717] mount_fs+0x92/0x2a0
[ 35.895064] vfs_kern_mount.part.0+0x5b/0x470
[ 35.899538] do_mount+0xe65/0x2a30
[ 35.903061] ? copy_mount_string+0x40/0x40
[ 35.907279] ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 35.912273] ? copy_mnt_ns+0xa30/0xa30
[ 35.916137] ? copy_mount_options+0x1fa/0x2f0
[ 35.920609] ? copy_mnt_ns+0xa30/0xa30
[ 35.924504] SyS_mount+0xa8/0x120
[ 35.927939] ? copy_mnt_ns+0xa30/0xa30
[ 35.931804] do_syscall_64+0x1d5/0x640
[ 35.935674] entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 35.940852] RIP: 0033:0x7f47eb7bd6da
[ 35.944542] RSP: 002b:00007ffe4dcdfb08 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 35.952240] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47eb7bd6da
[ 35.959503] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffe4dcdfb20
[ 35.966754] RBP: 00007ffe4dcdfb20 R08: 00007ffe4dcdfb60 R09: 0000000000000002
[ 35.974001] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
[ 35.981257] R13: 00005555566002c0 R14: 0000000000000000 R15: 00007ffe4dcdfb60
[ 35.988738] Kernel Offset: disabled
[ 35.992473] Rebooting in 86400 seconds..