Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.693480] gfs2: fsid='M`^i(<*`X*ݲ [\: Trying to join cluster "lock_nolock", "'M`^i(<*`X*ݲ [\" [ 29.714081] sysfs: cannot create duplicate filename '/fs/gfs2/'M`^i(<*`X*ݲ [\' [ 29.727443] sysfs: cannot create duplicate filename '/fs/gfs2/'M`^i(<*`X*ݲ [\' [ 29.747570] ------------[ cut here ]------------ [ 29.752351] WARNING: CPU: 0 PID: 7988 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.760563] Kernel panic - not syncing: panic_on_warn set ... [ 29.760563] [ 29.767911] CPU: 0 PID: 7988 Comm: syz-executor324 Not tainted 4.14.302-syzkaller #0 [ 29.775767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.785447] Call Trace: [ 29.788019] dump_stack+0x1b2/0x281 [ 29.791629] panic+0x1f9/0x42d [ 29.794799] ? add_taint.cold+0x16/0x16 [ 29.798757] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.803157] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.807542] __warn.cold+0x20/0x44 [ 29.811062] ? ist_end_non_atomic+0x10/0x10 [ 29.815359] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.819754] report_bug+0x208/0x250 [ 29.823359] do_error_trap+0x195/0x2d0 [ 29.827227] ? math_error+0x2d0/0x2d0 [ 29.831011] ? ___preempt_schedule+0x16/0x18 [ 29.835397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.840224] invalid_op+0x1b/0x40 [ 29.843657] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.848645] RSP: 0018:ffff8880b37f7728 EFLAGS: 00010282 [ 29.853989] RAX: 000000000000005d RBX: ffff8880969f4110 RCX: 0000000000000000 [ 29.861236] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10166feedb [ 29.868483] RBP: ffff8880b1948700 R08: 000000000000005d R09: 0000000000000000 [ 29.875771] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b134f000 [ 29.883065] R13: ffff8880b3f7b880 R14: ffff8880969f4118 R15: ffff888095c9c0d8 [ 29.890341] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.894742] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.899664] kobject_add_internal+0x28b/0x930 [ 29.904142] kobject_init_and_add+0xde/0x120 [ 29.908527] ? kobject_create_and_add+0x200/0x200 [ 29.913351] ? vsnprintf+0x260/0x1340 [ 29.917137] gfs2_sys_fs_add+0x184/0x3f0 [ 29.921176] ? recover_store+0x100/0x100 [ 29.925213] ? snprintf+0xa5/0xd0 [ 29.928659] ? strscpy+0x94/0x280 [ 29.932110] fill_super+0x118b/0x2310 [ 29.935899] ? vsnprintf+0x260/0x1340 [ 29.939693] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.944184] ? memcpy+0x35/0x50 [ 29.947574] ? pointer+0x9e0/0x9e0 [ 29.951100] ? snprintf+0xa5/0xd0 [ 29.954532] ? vsprintf+0x30/0x30 [ 29.957974] ? set_blocksize+0x125/0x380 [ 29.962022] gfs2_mount+0x439/0x510 [ 29.965631] ? fill_super+0x2310/0x2310 [ 29.969597] ? alloc_pages_current+0x15d/0x260 [ 29.974155] ? __lockdep_init_map+0x100/0x560 [ 29.978631] mount_fs+0x92/0x2a0 [ 29.981981] vfs_kern_mount.part.0+0x5b/0x470 [ 29.986467] do_mount+0xe65/0x2a30 [ 29.990076] ? do_raw_spin_unlock+0x164/0x220 [ 29.994555] ? copy_mount_string+0x40/0x40 [ 29.998769] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.003763] ? copy_mnt_ns+0xa30/0xa30 [ 30.007632] ? copy_mount_options+0x1fa/0x2f0 [ 30.012103] ? copy_mnt_ns+0xa30/0xa30 [ 30.015970] SyS_mount+0xa8/0x120 [ 30.019400] ? copy_mnt_ns+0xa30/0xa30 [ 30.023352] do_syscall_64+0x1d5/0x640 [ 30.027230] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 30.032404] RIP: 0033:0x7f04675686ea [ 30.036098] RSP: 002b:00007ffda1a31c58 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 30.043793] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f04675686ea [ 30.051044] RDX: 000000002003b2c0 RSI: 000000002003b300 RDI: 00007ffda1a31c70 [ 30.058300] RBP: 00007ffda1a31c70 R08: 00007ffda1a31cb0 R09: 0000000000000002 [ 30.065553] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 30.072801] R13: 0000555556f132c0 R14: 0000000000000000 R15: 00007ffda1a31cb0 [ 30.080802] Kernel Offset: disabled [ 30.084476] Rebooting in 86400 seconds..