Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. [ 31.372112] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 31.390970] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.410085] gfs2: fsid=syz:syz: Now mounting FS... [ 31.415506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.425672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.433750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.441464] ------------[ cut here ]------------ [ 31.446235] WARNING: CPU: 0 PID: 7981 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 31.454437] Kernel panic - not syncing: panic_on_warn set ... [ 31.454437] [ 31.461866] CPU: 0 PID: 7981 Comm: syz-executor221 Not tainted 4.14.302-syzkaller #0 [ 31.469721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 31.479054] Call Trace: [ 31.481621] dump_stack+0x1b2/0x281 [ 31.485230] panic+0x1f9/0x42d [ 31.488398] ? add_taint.cold+0x16/0x16 [ 31.492353] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.496743] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.501135] __warn.cold+0x20/0x44 [ 31.504653] ? ist_end_non_atomic+0x10/0x10 [ 31.508951] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.513341] report_bug+0x208/0x250 [ 31.516949] do_error_trap+0x195/0x2d0 [ 31.520834] ? math_error+0x2d0/0x2d0 [ 31.524628] ? ___preempt_schedule+0x16/0x18 [ 31.529020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.533850] invalid_op+0x1b/0x40 [ 31.537293] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.542283] RSP: 0018:ffff8880b300f728 EFLAGS: 00010282 [ 31.547624] RAX: 000000000000003a RBX: ffff8880a1d8d810 RCX: 0000000000000000 [ 31.554876] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1016601edb [ 31.562149] RBP: ffff8880b126e600 R08: 000000000000003a R09: 0000000000000000 [ 31.569412] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b1289460 [ 31.576665] R13: ffff8880b52d6a80 R14: ffff8880a1d8d818 R15: ffff888095745998 [ 31.583946] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.588359] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.592766] kobject_add_internal+0x28b/0x930 [ 31.597257] kobject_init_and_add+0xde/0x120 [ 31.601665] ? kobject_create_and_add+0x200/0x200 [ 31.606498] ? vsnprintf+0x260/0x1340 [ 31.610293] gfs2_sys_fs_add+0x184/0x3f0 [ 31.614339] ? recover_store+0x100/0x100 [ 31.618384] ? snprintf+0xa5/0xd0 [ 31.621824] ? strscpy+0x94/0x280 [ 31.625258] fill_super+0x118b/0x2310 [ 31.629061] ? vsnprintf+0x260/0x1340 [ 31.632843] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.637316] ? pointer+0x9e0/0x9e0 [ 31.640836] ? snprintf+0xa5/0xd0 [ 31.644275] ? vsprintf+0x30/0x30 [ 31.647705] ? gfs2_open+0x160/0x160 [ 31.651415] ? set_blocksize+0x125/0x380 [ 31.655456] gfs2_mount+0x439/0x510 [ 31.659061] ? fill_super+0x2310/0x2310 [ 31.663024] ? alloc_pages_current+0x15d/0x260 [ 31.667584] ? __lockdep_init_map+0x100/0x560 [ 31.672060] mount_fs+0x92/0x2a0 [ 31.675405] vfs_kern_mount.part.0+0x5b/0x470 [ 31.679878] do_mount+0xe65/0x2a30 [ 31.683399] ? retint_kernel+0x2d/0x2d [ 31.687267] ? copy_mount_string+0x40/0x40 [ 31.691480] ? memset+0x20/0x40 [ 31.694734] ? copy_mount_options+0x1fa/0x2f0 [ 31.699212] ? copy_mnt_ns+0xa30/0xa30 [ 31.703074] SyS_mount+0xa8/0x120 [ 31.706506] ? copy_mnt_ns+0xa30/0xa30 [ 31.710371] do_syscall_64+0x1d5/0x640 [ 31.714239] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 31.719412] RIP: 0033:0x7f8e331e46ea [ 31.723099] RSP: 002b:00007ffde9209098 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.730787] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8e331e46ea [ 31.738035] RDX: 000000002003b2c0 RSI: 000000002003b300 RDI: 00007ffde92090b0 [ 31.745279] RBP: 00007ffde92090b0 R08: 00007ffde92090f0 R09: 0000000000000002 [ 31.752523] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 31.759770] R13: 00005555564702c0 R14: 0000000000000000 R15: 00007ffde92090f0 [ 31.767341] Kernel Offset: disabled [ 31.770993] Rebooting in 86400 seconds..