[  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 '10.128.1.42' (ECDSA) to the list of known hosts.
syzkaller login: [   33.702131] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   33.714959] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   33.725499] ------------[ cut here ]------------
[   33.730273] WARNING: CPU: 1 PID: 7965 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[   33.738494] Kernel panic - not syncing: panic_on_warn set ...
[   33.738494] 
[   33.745861] CPU: 1 PID: 7965 Comm: syz-executor322 Not tainted 4.14.302-syzkaller #0
[   33.753734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   33.755369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   33.763077] Call Trace:
[   33.763095]  dump_stack+0x1b2/0x281
[   33.763106]  panic+0x1f9/0x42d
[   33.763114]  ? add_taint.cold+0x16/0x16
[   33.763124]  ? sysfs_warn_dup.cold+0x17/0x26
[   33.763132]  ? sysfs_warn_dup.cold+0x17/0x26
[   33.763137]  __warn.cold+0x20/0x44
[   33.763146]  ? ist_end_non_atomic+0x10/0x10
[   33.763155]  ? sysfs_warn_dup.cold+0x17/0x26
[   33.779266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   33.783106]  report_bug+0x208/0x250
[   33.783118]  do_error_trap+0x195/0x2d0
[   33.783125]  ? math_error+0x2d0/0x2d0
[   33.783133]  ? ___preempt_schedule+0x16/0x18
[   33.783144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.791020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   33.791933]  invalid_op+0x1b/0x40
[   33.791943] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[   33.791947] RSP: 0018:ffff8880a27e7728 EFLAGS: 00010282
[   33.791955] RAX: 000000000000003a RBX: ffff8880957a9c90 RCX: 0000000000000000
[   33.791967] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10144fcedb
[   33.791974] RBP: ffff88808f638a00 R08: 000000000000003a R09: 0000000000000000
[   33.795594] ------------[ cut here ]------------
[   33.799795] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238f6e0e0
[   33.799805] R13: ffff8880b610d540 R14: ffff8880957a9c98 R15: ffff88809d2b1c58
[   33.804190] WARNING: CPU: 0 PID: 7962 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[   33.810833]  ? sysfs_warn_dup.cold+0x17/0x26
[   33.814425] Modules linked in:
[   33.818305]  sysfs_create_dir_ns+0x16f/0x1d0
[   33.818316]  kobject_add_internal+0x28b/0x930
[   33.822102] CPU: 0 PID: 7962 Comm: syz-executor322 Not tainted 4.14.302-syzkaller #0
[   33.826499]  kobject_init_and_add+0xde/0x120
[   33.831305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   33.837956]  ? kobject_create_and_add+0x200/0x200
[   33.841375] task: ffff8880b351a400 task.stack: ffff8880a2ba8000
[   33.846458]  ? vsnprintf+0x260/0x1340
[   33.851889] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[   33.859155]  gfs2_sys_fs_add+0x184/0x3f0
[   33.866401] RSP: 0018:ffff8880a2baf728 EFLAGS: 00010282
[   33.873824]  ? recover_store+0x100/0x100
[   33.885799]  ? snprintf+0xa5/0xd0
[   33.893132] RAX: 000000000000003a RBX: ffff8880b2aa1d50 RCX: 0000000000000000
[   33.901336]  ? strscpy+0x94/0x280
[   33.905714] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1014575edb
[   33.908967]  fill_super+0x118b/0x2310
[   33.913350] RBP: ffff8880b2a5c9c0 R08: 000000000000003a R09: 0000000000000001
[   33.917824]  ? vsnprintf+0x260/0x1340
[   33.925668] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238f6e0e0
[   33.925674] R13: ffff8880b0c35180 R14: ffff8880b2aa1d58 R15: ffff888095625d18
[   33.930057]  ? gfs2_online_uevent+0x1b0/0x1b0
[   33.939381] FS:  0000555557553300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   33.944193]  ? pointer+0x9e0/0x9e0
[   33.950399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.950405] CR2: 000055dcdf347030 CR3: 00000000abe5c000 CR4: 00000000003406f0
[   33.954193]  ? snprintf+0xa5/0xd0
[   33.959191] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.963222]  ? vsprintf+0x30/0x30
[   33.968553] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.972587]  ? gfs2_open+0x160/0x160
[   33.976008] Call Trace:
[   33.983265]  ? set_blocksize+0x125/0x380
[   33.986696]  sysfs_create_dir_ns+0x16f/0x1d0
[   33.993938]  gfs2_mount+0x439/0x510
[   33.997721]  kobject_add_internal+0x28b/0x930
[   34.004971]  ? fill_super+0x2310/0x2310
[   34.008747]  kobject_init_and_add+0xde/0x120
[   34.016016]  ? alloc_pages_current+0x15d/0x260
[   34.023257]  ? kobject_create_and_add+0x200/0x200
[   34.027727]  ? __lockdep_init_map+0x100/0x560
[   34.036037]  ? vsnprintf+0x260/0x1340
[   34.039635]  mount_fs+0x92/0x2a0
[   34.045514]  gfs2_sys_fs_add+0x184/0x3f0
[   34.052768]  vfs_kern_mount.part.0+0x5b/0x470
[   34.056191]  ? recover_store+0x100/0x100
[   34.063529]  do_mount+0xe65/0x2a30
[   34.066951]  ? snprintf+0xa5/0xd0
[   34.074208]  ? copy_mount_string+0x40/0x40
[   34.077896]  ? strscpy+0x94/0x280
[   34.080479]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   34.084508]  fill_super+0x118b/0x2310
[   34.088886]  ? copy_mnt_ns+0xa30/0xa30
[   34.092487]  ? vsnprintf+0x260/0x1340
[   34.096958]  ? copy_mount_options+0x1fa/0x2f0
[   34.100902]  ? gfs2_online_uevent+0x1b0/0x1b0
[   34.105279]  ? copy_mnt_ns+0xa30/0xa30
[   34.109833]  ? pointer+0x9e0/0x9e0
[   34.114652]  SyS_mount+0xa8/0x120
[   34.119123]  ? snprintf+0xa5/0xd0
[   34.122893]  ? copy_mnt_ns+0xa30/0xa30
[   34.126317]  ? vsprintf+0x30/0x30
[   34.130353]  do_syscall_64+0x1d5/0x640
[   34.134819]  ? gfs2_open+0x160/0x160
[   34.138858]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   34.142367]  ? set_blocksize+0x125/0x380
[   34.145790] RIP: 0033:0x7fe3391d46fa
[   34.150024]  gfs2_mount+0x439/0x510
[   34.153445] RSP: 002b:00007ffd10c72df8 EFLAGS: 00000282
[   34.158436]  ? fill_super+0x2310/0x2310
[   34.162206]  ORIG_RAX: 00000000000000a5
[   34.166080]  ? alloc_pages_current+0x15d/0x260
[   34.169846] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3391d46fa
[   34.174310]  ? __lockdep_init_map+0x100/0x560
[   34.174318]  mount_fs+0x92/0x2a0
[   34.178782] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffd10c72e10
[   34.182648]  vfs_kern_mount.part.0+0x5b/0x470
[   34.186178] RBP: 00007ffd10c72e10 R08: 00007ffd10c72e50 R09: 0000000000000002
[   34.189620]  do_mount+0xe65/0x2a30
[   34.193040] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
[   34.196918]  ? copy_mount_string+0x40/0x40
[   34.200338] R13: 00005555575532c0 R14: 0000000000000000 R15: 00007ffd10c72e50
[   34.204215]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   34.303597]  ? copy_mnt_ns+0xa30/0xa30
[   34.307471]  ? copy_mount_options+0x1fa/0x2f0
[   34.312032]  ? copy_mnt_ns+0xa30/0xa30
[   34.315907]  SyS_mount+0xa8/0x120
[   34.319357]  ? copy_mnt_ns+0xa30/0xa30
[   34.323229]  do_syscall_64+0x1d5/0x640
[   34.327104]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   34.332276] RIP: 0033:0x7fe3391d46fa
[   34.335967] RSP: 002b:00007ffd10c72df8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   34.343743] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3391d46fa
[   34.350996] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffd10c72e10
[   34.358246] RBP: 00007ffd10c72e10 R08: 00007ffd10c72e50 R09: 0000000000000002
[   34.365505] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
[   34.372759] R13: 00005555575532c0 R14: 0000000000000000 R15: 00007ffd10c72e50
[   34.380025] Code: bd ea ff ff ff e9 8f c2 9f fa 4c 89 ff e8 74 de 7a fa eb da e8 6d 1d 51 fa 4c 89 ea 48 89 ee 48 c7 c7 80 c4 95 87 e8 e5 fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 4c b4 7a fa e8 47 1d 51 fa 4d 
[   34.399303] ---[ end trace ec316dafb1169bb7 ]---
[   34.404194] Kernel Offset: disabled
[   34.407852] Rebooting in 86400 seconds..