Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts. [ 35.084290] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 35.096142] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 35.107590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 35.121159] ------------[ cut here ]------------ [ 35.123565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 35.125970] WARNING: CPU: 1 PID: 7977 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 35.125978] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 35.125978] [ 35.125988] CPU: 1 PID: 7977 Comm: syz-executor165 Not tainted 4.14.307-syzkaller #0 [ 35.125997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 35.135930] ------------[ cut here ]------------ [ 35.140967] Call Trace: [ 35.149028] WARNING: CPU: 0 PID: 7973 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 35.156906] dump_stack+0x1b2/0x281 [ 35.166247] Modules linked in: [ 35.170998] panic+0x21d/0x451 [ 35.181799] ? add_taint.cold+0x16/0x16 [ 35.185402] CPU: 0 PID: 7973 Comm: syz-executor165 Not tainted 4.14.307-syzkaller #0 [ 35.188578] ? log_store.cold+0x16/0x16 [ 35.191753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 35.195738] ? sysfs_warn_dup.cold+0x17/0x26 [ 35.203592] task: ffff8880b3426000 task.stack: ffff888099710000 [ 35.207555] check_panic_on_warn.cold+0x19/0x35 [ 35.216896] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 35.221287] __warn+0xdf/0x1e0 [ 35.227327] RSP: 0018:ffff888099717728 EFLAGS: 00010282 [ 35.231986] ? ist_end_non_atomic+0x10/0x10 [ 35.240157] ? sysfs_warn_dup.cold+0x17/0x26 [ 35.245500] RAX: 000000000000003a RBX: ffff8880b1811bd0 RCX: 0000000000000000 [ 35.249814] report_bug+0x208/0x250 [ 35.254202] RDX: 0000000000000000 RSI: ffffffff878bd360 RDI: ffffed10132e2edb [ 35.261462] do_error_trap+0x195/0x2d0 [ 35.265069] RBP: ffff8880b3044540 R08: 000000000000003a R09: 0000000000000000 [ 35.272331] ? math_error+0x2d0/0x2d0 [ 35.276198] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0feb380 [ 35.283478] ? ___preempt_schedule+0x16/0x18 [ 35.287263] R13: ffff8880b2d96cc0 R14: ffff8880b1811bd8 R15: ffff8880a8ea5958 [ 35.294529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.298916] FS: 0000555555af1300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 35.306176] invalid_op+0x1b/0x40 [ 35.310996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.319210] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 35.322642] CR2: 000055cc7bfca8b8 CR3: 00000000b040e000 CR4: 00000000003406f0 [ 35.328524] RSP: 0018:ffff888095fef728 EFLAGS: 00010282 [ 35.333527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.340844] RAX: 000000000000003a RBX: ffff8880a8ea5950 RCX: 0000000000000000 [ 35.346208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.353469] RDX: 0000000000000000 RSI: ffffffff878bd360 RDI: ffffed1012bfdedb [ 35.360724] Call Trace: [ 35.367984] RBP: ffff88809575aa40 R08: 000000000000003a R09: 0000000000000000 [ 35.375253] sysfs_create_dir_ns+0x16f/0x1d0 [ 35.377809] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0feb380 [ 35.385073] kobject_add_internal+0x28b/0x930 [ 35.389457] R13: ffff8880b085f9c0 R14: ffff8880a8ea5958 R15: ffff8880a4114e58 [ 35.396734] kobject_init_and_add+0xde/0x120 [ 35.401222] ? sysfs_warn_dup.cold+0x17/0x26 [ 35.408470] ? kobject_create_and_add+0x200/0x200 [ 35.412950] sysfs_create_dir_ns+0x16f/0x1d0 [ 35.417341] ? vsnprintf+0x260/0x1340 [ 35.422170] kobject_add_internal+0x28b/0x930 [ 35.426570] gfs2_sys_fs_add+0x184/0x3f0 [ 35.430357] kobject_init_and_add+0xde/0x120 [ 35.434833] ? recover_store+0x100/0x100 [ 35.438876] ? kobject_create_and_add+0x200/0x200 [ 35.443264] ? snprintf+0xa5/0xd0 [ 35.447305] ? vsnprintf+0x260/0x1340 [ 35.452133] ? strscpy+0x94/0x280 [ 35.455568] gfs2_sys_fs_add+0x184/0x3f0 [ 35.459348] fill_super+0x118b/0x2310 [ 35.462780] ? recover_store+0x100/0x100 [ 35.466823] ? vsnprintf+0x260/0x1340 [ 35.470599] ? snprintf+0xa5/0xd0 [ 35.470613] ? strscpy+0x94/0x280 [ 35.474650] ? gfs2_online_uevent+0x1b0/0x1b0 [ 35.478449] fill_super+0x118b/0x2310 [ 35.481884] ? pointer+0x9e0/0x9e0 [ 35.485332] ? vsnprintf+0x260/0x1340 [ 35.489812] ? snprintf+0xa5/0xd0 [ 35.493593] ? gfs2_online_uevent+0x1b0/0x1b0 [ 35.497126] ? vsprintf+0x30/0x30 [ 35.500909] ? pointer+0x9e0/0x9e0 [ 35.504364] ? gfs2_open+0x160/0x160 [ 35.508848] ? snprintf+0xa5/0xd0 [ 35.512288] ? set_blocksize+0x125/0x380 [ 35.515991] ? vsprintf+0x30/0x30 [ 35.519701] gfs2_mount+0x439/0x510 [ 35.523136] ? gfs2_open+0x160/0x160 [ 35.527196] ? fill_super+0x2310/0x2310 [ 35.530637] ? set_blocksize+0x125/0x380 [ 35.534266] ? alloc_pages_current+0x15d/0x260 [ 35.537946] gfs2_mount+0x439/0x510 [ 35.541902] ? __lockdep_init_map+0x100/0x560 [ 35.545943] ? fill_super+0x2310/0x2310 [ 35.550608] mount_fs+0x92/0x2a0 [ 35.554234] ? alloc_pages_current+0x15d/0x260 [ 35.558706] vfs_kern_mount.part.0+0x5b/0x470 [ 35.562662] ? __lockdep_init_map+0x100/0x560 [ 35.566012] do_mount+0xe65/0x2a30 [ 35.570574] mount_fs+0x92/0x2a0 [ 35.575064] ? copy_mount_string+0x40/0x40 [ 35.579541] vfs_kern_mount.part.0+0x5b/0x470 [ 35.583061] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.586412] do_mount+0xe65/0x2a30 [ 35.590628] ? copy_mnt_ns+0xa30/0xa30 [ 35.595115] ? copy_mount_string+0x40/0x40 [ 35.600125] ? copy_mount_options+0x1fa/0x2f0 [ 35.603646] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.607517] ? copy_mnt_ns+0xa30/0xa30 [ 35.611735] ? copy_mnt_ns+0xa30/0xa30 [ 35.616218] SyS_mount+0xa8/0x120 [ 35.621218] ? copy_mount_options+0x1fa/0x2f0 [ 35.625093] ? copy_mnt_ns+0xa30/0xa30 [ 35.628976] ? copy_mnt_ns+0xa30/0xa30 [ 35.632415] do_syscall_64+0x1d5/0x640 [ 35.636892] SyS_mount+0xa8/0x120 [ 35.640764] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 35.644629] ? copy_mnt_ns+0xa30/0xa30 [ 35.648501] RIP: 0033:0x7f7fc3b936da [ 35.651936] do_syscall_64+0x1d5/0x640 [ 35.657102] RSP: 002b:00007ffeaf617f98 EFLAGS: 00000282 [ 35.660979] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 35.664673] ORIG_RAX: 00000000000000a5 [ 35.668544] RIP: 0033:0x7f7fc3b936da [ 35.673888] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7fc3b936da [ 35.679082] RSP: 002b:00007ffeaf617f98 EFLAGS: 00000282 [ 35.683035] RDX: 00000000200124c0 RSI: 0000000020000080 RDI: 00007ffeaf617fa0 [ 35.686722] ORIG_RAX: 00000000000000a5 [ 35.686730] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7fc3b936da [ 35.693984] RBP: 00007ffeaf617fa0 R08: 00007ffeaf617fe0 R09: 0000000000000002 [ 35.699327] RDX: 00000000200124c0 RSI: 0000000020000080 RDI: 00007ffeaf617fa0 [ 35.706590] R10: 0000000000010011 R11: 0000000000000282 R12: 0000000000000004 [ 35.710547] RBP: 00007ffeaf617fa0 R08: 00007ffeaf617fe0 R09: 0000000000000002 [ 35.717803] R13: 0000555555af12c0 R14: 00007ffeaf617fe0 R15: 0000000000000000 [ 35.725056] R10: 0000000000010011 R11: 0000000000000282 R12: 0000000000000004 [ 35.732320] Code: [ 35.739569] R13: 0000555555af12c0 R14: 00007ffeaf617fe0 R15: 0000000000000000 [ 35.746835] bd ea ff ff ff e9 ff 95 9f fa 4c 89 ff e8 64 ae 7a fa eb da e8 ed ea 50 fa 4c 89 ea 48 89 ee 48 c7 c7 80 c8 95 87 e8 fd fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 3c 84 7a fa e8 c7 ea 50 fa 4d [ 35.789463] ---[ end trace b55f5c00f7006e8c ]--- [ 35.794493] Kernel Offset: disabled [ 35.798167] Rebooting in 86400 seconds..