[[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 Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.126' (ECDSA) to the list of known hosts.
syzkaller login: [ 28.614377] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 28.631024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 28.632016] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 28.654422] gfs2: fsid=syz:syz: Now mounting FS...
[ 28.659652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 28.660948] ------------[ cut here ]------------
[ 28.671089] WARNING: CPU: 1 PID: 7987 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[ 28.676399] ------------[ cut here ]------------
[ 28.679302] Kernel panic - not syncing: panic_on_warn set ...
[ 28.679302]
[ 28.684052] WARNING: CPU: 0 PID: 7982 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[ 28.691378] CPU: 1 PID: 7987 Comm: syz-executor204 Not tainted 4.14.304-syzkaller #0
[ 28.699571] Modules linked in:
[ 28.707423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 28.710612] Call Trace:
[ 28.720033] CPU: 0 PID: 7982 Comm: syz-executor204 Not tainted 4.14.304-syzkaller #0
[ 28.722601] dump_stack+0x1b2/0x281
[ 28.730443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 28.734061] panic+0x1f9/0x42d
[ 28.743383] task: ffff8880b30203c0 task.stack: ffff8880b3148000
[ 28.746555] ? add_taint.cold+0x16/0x16
[ 28.752584] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[ 28.756528] ? sysfs_warn_dup.cold+0x17/0x26
[ 28.761514] RSP: 0018:ffff8880b314f728 EFLAGS: 00010282
[ 28.765929] ? sysfs_warn_dup.cold+0x17/0x26
[ 28.765937] __warn.cold+0x20/0x44
[ 28.771272] RAX: 000000000000003a RBX: ffff8880b2911a90 RCX: 0000000000000000
[ 28.775654] ? ist_end_non_atomic+0x10/0x10
[ 28.779200] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1016629edb
[ 28.786483] ? sysfs_warn_dup.cold+0x17/0x26
[ 28.790772] RBP: ffff8880b2dba300 R08: 000000000000003a R09: 0000000000000000
[ 28.798054] report_bug+0x208/0x250
[ 28.802434] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238fda620
[ 28.809691] do_error_trap+0x195/0x2d0
[ 28.813286] R13: ffff8880b10bef40 R14: ffff8880b2911a98 R15: ffff888099659a18
[ 28.820536] ? math_error+0x2d0/0x2d0
[ 28.824393] FS: 0000555556cec300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[ 28.831640] ? ___preempt_schedule+0x16/0x18
[ 28.835410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.843627] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 28.848016] CR2: 0000560c8f012000 CR3: 00000000b399d000 CR4: 00000000003406f0
[ 28.853896] invalid_op+0x1b/0x40
[ 28.858705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.865961] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[ 28.869390] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.876634] RSP: 0018:ffff8880b330f728 EFLAGS: 00010282
[ 28.881621] Call Trace:
[ 28.894229] sysfs_create_dir_ns+0x16f/0x1d0
[ 28.896772] RAX: 000000000000003a RBX: ffff888095795a50 RCX: 0000000000000000
[ 28.901156] kobject_add_internal+0x28b/0x930
[ 28.908395] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1016661edb
[ 28.912885] kobject_init_and_add+0xde/0x120
[ 28.920135] RBP: ffff8880b2ee6340 R08: 000000000000003a R09: 0000000000000000
[ 28.924524] ? kobject_create_and_add+0x200/0x200
[ 28.931763] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238fda620
[ 28.936583] ? vsnprintf+0x260/0x1340
[ 28.943821] R13: ffff8880b4f6de80 R14: ffff888095795a58 R15: ffff8880b2911a98
[ 28.947604] gfs2_sys_fs_add+0x184/0x3f0
[ 28.954853] ? sysfs_warn_dup.cold+0x17/0x26
[ 28.958879] ? recover_store+0x100/0x100
[ 28.963260] sysfs_create_dir_ns+0x16f/0x1d0
[ 28.967296] ? snprintf+0xa5/0xd0
[ 28.971677] kobject_add_internal+0x28b/0x930
[ 28.975103] ? strscpy+0x94/0x280
[ 28.979573] kobject_init_and_add+0xde/0x120
[ 28.982996] fill_super+0x118b/0x2310
[ 28.987386] ? kobject_create_and_add+0x200/0x200
[ 28.991159] ? vsnprintf+0x260/0x1340
[ 28.995983] ? vsnprintf+0x260/0x1340
[ 28.999756] ? gfs2_online_uevent+0x1b0/0x1b0
[ 29.003532] gfs2_sys_fs_add+0x184/0x3f0
[ 29.007993] ? pointer+0x9e0/0x9e0
[ 29.012027] ? recover_store+0x100/0x100
[ 29.015561] ? snprintf+0xa5/0xd0
[ 29.019596] ? snprintf+0xa5/0xd0
[ 29.023022] ? vsprintf+0x30/0x30
[ 29.026451] ? strscpy+0x94/0x280
[ 29.029869] ? gfs2_open+0x160/0x160
[ 29.033329] fill_super+0x118b/0x2310
[ 29.037032] ? set_blocksize+0x125/0x380
[ 29.040807] ? vsnprintf+0x260/0x1340
[ 29.044838] gfs2_mount+0x439/0x510
[ 29.048611] ? gfs2_online_uevent+0x1b0/0x1b0
[ 29.052211] ? fill_super+0x2310/0x2310
[ 29.056682] ? pointer+0x9e0/0x9e0
[ 29.060643] ? alloc_pages_current+0x15d/0x260
[ 29.064154] ? snprintf+0xa5/0xd0
[ 29.068712] ? __lockdep_init_map+0x100/0x560
[ 29.072142] ? vsprintf+0x30/0x30
[ 29.076610] mount_fs+0x92/0x2a0
[ 29.080032] ? gfs2_open+0x160/0x160
[ 29.083374] vfs_kern_mount.part.0+0x5b/0x470
[ 29.087057] ? set_blocksize+0x125/0x380
[ 29.091537] do_mount+0xe65/0x2a30
[ 29.095571] gfs2_mount+0x439/0x510
[ 29.099084] ? retint_kernel+0x2d/0x2d
[ 29.102679] ? fill_super+0x2310/0x2310
[ 29.106553] ? copy_mount_string+0x40/0x40
[ 29.110514] ? alloc_pages_current+0x15d/0x260
[ 29.114712] ? memset+0x20/0x40
[ 29.119267] ? __lockdep_init_map+0x100/0x560
[ 29.122609] ? copy_mount_options+0x1fa/0x2f0
[ 29.127122] mount_fs+0x92/0x2a0
[ 29.131591] ? copy_mnt_ns+0xa30/0xa30
[ 29.134932] vfs_kern_mount.part.0+0x5b/0x470
[ 29.138787] SyS_mount+0xa8/0x120
[ 29.143254] do_mount+0xe65/0x2a30
[ 29.146679] ? copy_mnt_ns+0xa30/0xa30
[ 29.150193] ? retint_kernel+0x2d/0x2d
[ 29.154050] do_syscall_64+0x1d5/0x640
[ 29.157909] ? copy_mount_string+0x40/0x40
[ 29.161777] entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 29.165982] ? memset+0x20/0x40
[ 29.171145] RIP: 0033:0x7fca4048a6da
[ 29.174580] ? copy_mount_options+0x1fa/0x2f0
[ 29.178260] RSP: 002b:00007ffe5c376538 EFLAGS: 00000282
[ 29.182727] ? copy_mnt_ns+0xa30/0xa30
[ 29.182733] ORIG_RAX: 00000000000000a5
[ 29.188084] SyS_mount+0xa8/0x120
[ 29.191945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fca4048a6da
[ 29.195893] ? copy_mnt_ns+0xa30/0xa30
[ 29.199327] RDX: 0000000020000040 RSI: 0000000020012500 RDI: 00007ffe5c376550
[ 29.207095] do_syscall_64+0x1d5/0x640
[ 29.210950] RBP: 00007ffe5c376550 R08: 00007ffe5c376590 R09: 0000000000000002
[ 29.218197] entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 29.222049] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
[ 29.222055] R13: 0000555556cec2c0 R14: 0000000000000000 R15: 00007ffe5c376590
[ 29.229299] RIP: 0033:0x7fca4048a6da
[ 29.234478] Code:
[ 29.241716] RSP: 002b:00007ffe5c376538 EFLAGS: 00000282
[ 29.248962] bd
[ 29.252645] ORIG_RAX: 00000000000000a5
[ 29.254765] ea
[ 29.260114] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fca4048a6da
[ 29.261987] ff
[ 29.265935] RDX: 0000000020000040 RSI: 0000000020012500 RDI: 00007ffe5c376550
[ 29.267799] ff
[ 29.275040] RBP: 00007ffe5c376550 R08: 00007ffe5c376590 R09: 0000000000000002
[ 29.275045] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
[ 29.276918] ff
[ 29.284165] R13: 0000555556cec2c0 R14: 0000000000000000 R15: 00007ffe5c376590
[ 29.309674] e9 d9 9a 9f fa 4c 89 ff e8 3e b5 7a fa eb da e8 77 f2 50 fa 4c 89 ea 48 89 ee 48 c7 c7 c0 c4 95 87 e8 e9 fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 16 8b 7a fa e8 51 f2 50 fa 4d
[ 29.327111] ---[ end trace daba34f2e0b37dbb ]---
[ 29.332079] Kernel Offset: disabled
[ 29.335734] Rebooting in 86400 seconds..