Warning: Permanently added '10.128.0.144' (ECDSA) to the list of known hosts. [ 32.600105] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 32.601386] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 32.615103] ------------[ cut here ]------------ [ 32.619878] WARNING: CPU: 0 PID: 7978 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 32.628188] Kernel panic - not syncing: panic_on_warn set ... [ 32.628188] [ 32.628293] gfs2: fsid=syz:syz: Now mounting FS... [ 32.635544] CPU: 0 PID: 7978 Comm: syz-executor386 Not tainted 4.14.302-syzkaller #0 [ 32.635548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 32.635551] Call Trace: [ 32.635565] dump_stack+0x1b2/0x281 [ 32.635575] panic+0x1f9/0x42d [ 32.635581] ? add_taint.cold+0x16/0x16 [ 32.635590] ? sysfs_warn_dup.cold+0x17/0x26 [ 32.635599] ? sysfs_warn_dup.cold+0x17/0x26 [ 32.635605] __warn.cold+0x20/0x44 [ 32.635614] ? ist_end_non_atomic+0x10/0x10 [ 32.635620] ? sysfs_warn_dup.cold+0x17/0x26 [ 32.635628] report_bug+0x208/0x250 [ 32.695593] do_error_trap+0x195/0x2d0 [ 32.699458] ? math_error+0x2d0/0x2d0 [ 32.703236] ? ___preempt_schedule+0x16/0x18 [ 32.707664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.712663] invalid_op+0x1b/0x40 [ 32.716095] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 32.721174] RSP: 0018:ffff88809a53f728 EFLAGS: 00010282 [ 32.726524] RAX: 000000000000003a RBX: ffff8880b1a19c90 RCX: 0000000000000000 [ 32.733770] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10134a7edb [ 32.741017] RBP: ffff8880969febc0 R08: 000000000000003a R09: 0000000000000000 [ 32.748263] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b081dee0 [ 32.755513] R13: ffff8880b3b98a80 R14: ffff8880b1a19c98 R15: ffff8880ab03da58 [ 32.762772] ? sysfs_warn_dup.cold+0x17/0x26 [ 32.767159] sysfs_create_dir_ns+0x16f/0x1d0 [ 32.771545] kobject_add_internal+0x28b/0x930 [ 32.776020] kobject_init_and_add+0xde/0x120 [ 32.780407] ? kobject_create_and_add+0x200/0x200 [ 32.785228] ? vsnprintf+0x260/0x1340 [ 32.789011] gfs2_sys_fs_add+0x184/0x3f0 [ 32.793052] ? recover_store+0x100/0x100 [ 32.797091] ? snprintf+0xa5/0xd0 [ 32.800522] ? strscpy+0x94/0x280 [ 32.803955] fill_super+0x118b/0x2310 [ 32.807736] ? vsnprintf+0x260/0x1340 [ 32.811512] ? gfs2_online_uevent+0x1b0/0x1b0 [ 32.815985] ? pointer+0x9e0/0x9e0 [ 32.819504] ? snprintf+0xa5/0xd0 [ 32.822938] ? vsprintf+0x30/0x30 [ 32.826367] ? gfs2_open+0x160/0x160 [ 32.830061] ? set_blocksize+0x125/0x380 [ 32.834101] gfs2_mount+0x439/0x510 [ 32.837707] ? fill_super+0x2310/0x2310 [ 32.841670] ? alloc_pages_current+0x15d/0x260 [ 32.846232] ? __lockdep_init_map+0x100/0x560 [ 32.850716] mount_fs+0x92/0x2a0 [ 32.854065] vfs_kern_mount.part.0+0x5b/0x470 [ 32.858538] do_mount+0xe65/0x2a30 [ 32.862058] ? retint_kernel+0x2d/0x2d [ 32.865922] ? copy_mount_string+0x40/0x40 [ 32.870136] ? copy_mount_options+0x194/0x2f0 [ 32.874609] ? copy_mount_options+0x1fa/0x2f0 [ 32.879091] ? copy_mnt_ns+0xa30/0xa30 [ 32.882959] SyS_mount+0xa8/0x120 [ 32.886409] ? copy_mnt_ns+0xa30/0xa30 [ 32.890280] do_syscall_64+0x1d5/0x640 [ 32.894151] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 32.899317] RIP: 0033:0x7fab880e36ca [ 32.903004] RSP: 002b:00007ffedebfa558 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 32.910690] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fab880e36ca [ 32.917935] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffedebfa570 [ 32.925184] RBP: 00007ffedebfa570 R08: 00007ffedebfa5b0 R09: 0000000000000002 [ 32.932430] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 32.939676] R13: 00005555567e82c0 R14: 0000000000000000 R15: 00007ffedebfa5b0 [ 32.947244] Kernel Offset: disabled [ 32.950900] Rebooting in 86400 seconds..