Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. [ 28.368162] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.376718] gfs2: fsid=syz:syz: Trying to join cluster "lock_dlm", "syz:syz" [ 28.387066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.395930] ------------[ cut here ]------------ [ 28.397604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.400781] WARNING: CPU: 0 PID: 7996 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 28.400787] Kernel panic - not syncing: panic_on_warn set ... [ 28.400787] [ 28.400795] CPU: 0 PID: 7996 Comm: syz-executor180 Not tainted 4.14.302-syzkaller #0 [ 28.400803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 28.410109] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.415662] Call Trace: [ 28.415675] dump_stack+0x1b2/0x281 [ 28.415686] panic+0x1f9/0x42d [ 28.415693] ? add_taint.cold+0x16/0x16 [ 28.415703] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.415711] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.415717] __warn.cold+0x20/0x44 [ 28.415725] ? ist_end_non_atomic+0x10/0x10 [ 28.415731] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.415739] report_bug+0x208/0x250 [ 28.415748] do_error_trap+0x195/0x2d0 [ 28.415760] ? math_error+0x2d0/0x2d0 [ 28.434101] ------------[ cut here ]------------ [ 28.440443] ? ___preempt_schedule+0x16/0x18 [ 28.447088] WARNING: CPU: 1 PID: 7995 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 28.449648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.453242] Modules linked in: [ 28.456418] invalid_op+0x1b/0x40 [ 28.464757] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 28.469140] CPU: 1 PID: 7995 Comm: syz-executor180 Not tainted 4.14.302-syzkaller #0 [ 28.472652] RSP: 0018:ffff8880b335f728 EFLAGS: 00010282 [ 28.476981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 28.481376] RAX: 000000000000003a RBX: ffff8880b1b95b50 RCX: 0000000000000000 [ 28.484985] task: ffff888095af44c0 task.stack: ffff888096190000 [ 28.488857] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed101666bedb [ 28.492649] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 28.497370] RBP: ffff8880b2f36980 R08: 000000000000003a R09: 0000000000000000 [ 28.501754] RSP: 0018:ffff888096197728 EFLAGS: 00010282 [ 28.509957] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88823888d380 [ 28.517937] R13: ffff8880a66c5280 R14: ffff8880b1b95b58 R15: ffff8880a3b158d8 [ 28.521376] RAX: 000000000000003a RBX: ffff8880a3b158d0 RCX: 0000000000000000 [ 28.526388] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.534241] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012c32edb [ 28.539598] sysfs_create_dir_ns+0x16f/0x1d0 [ 28.548921] RBP: ffff8880b17eab40 R08: 000000000000003a R09: 0000000000000000 [ 28.556191] kobject_add_internal+0x28b/0x930 [ 28.562218] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88823888d380 [ 28.569479] kobject_init_and_add+0xde/0x120 [ 28.574468] R13: ffff8880a1836300 R14: ffff8880a3b158d8 R15: ffff8880a3b11898 [ 28.581866] ? kobject_create_and_add+0x200/0x200 [ 28.587291] FS: 0000555555700300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 28.594543] ? vsnprintf+0x260/0x1340 [ 28.601794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.609048] gfs2_sys_fs_add+0x184/0x3f0 [ 28.613520] CR2: 000056099441e8b8 CR3: 00000000a22ae000 CR4: 00000000003406e0 [ 28.613529] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.620793] ? recover_store+0x100/0x100 [ 28.625167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.632429] ? snprintf+0xa5/0xd0 [ 28.636894] Call Trace: [ 28.644147] ? strscpy+0x94/0x280 [ 28.648535] sysfs_create_dir_ns+0x16f/0x1d0 [ 28.655776] fill_super+0x118b/0x2310 [ 28.660596] kobject_add_internal+0x28b/0x930 [ 28.668798] ? vsnprintf+0x260/0x1340 [ 28.672573] kobject_init_and_add+0xde/0x120 [ 28.678432] ? gfs2_online_uevent+0x1b0/0x1b0 [ 28.682468] ? kobject_create_and_add+0x200/0x200 [ 28.689713] ? pointer+0x9e0/0x9e0 [ 28.696996] ? vsnprintf+0x260/0x1340 [ 28.701038] ? snprintf+0xa5/0xd0 [ 28.708281] gfs2_sys_fs_add+0x184/0x3f0 [ 28.711706] ? vsprintf+0x30/0x30 [ 28.714267] ? recover_store+0x100/0x100 [ 28.717691] ? gfs2_open+0x160/0x160 [ 28.722164] ? snprintf+0xa5/0xd0 [ 28.725938] ? set_blocksize+0x125/0x380 [ 28.730411] ? strscpy+0x94/0x280 [ 28.734187] gfs2_mount+0x439/0x510 [ 28.738568] fill_super+0x118b/0x2310 [ 28.743038] ? fill_super+0x2310/0x2310 [ 28.747857] ? vsnprintf+0x260/0x1340 [ 28.751379] ? alloc_pages_current+0x15d/0x260 [ 28.755141] ? gfs2_online_uevent+0x1b0/0x1b0 [ 28.758568] ? __lockdep_init_map+0x100/0x560 [ 28.762600] ? pointer+0x9e0/0x9e0 [ 28.766033] mount_fs+0x92/0x2a0 [ 28.770062] ? snprintf+0xa5/0xd0 [ 28.773753] vfs_kern_mount.part.0+0x5b/0x470 [ 28.777176] ? vsprintf+0x30/0x30 [ 28.781214] do_mount+0xe65/0x2a30 [ 28.784670] ? gfs2_open+0x160/0x160 [ 28.788273] ? retint_kernel+0x2d/0x2d [ 28.792044] ? set_blocksize+0x125/0x380 [ 28.795991] ? copy_mount_string+0x40/0x40 [ 28.799773] gfs2_mount+0x439/0x510 [ 28.804332] ? copy_mount_options+0x194/0x2f0 [ 28.808800] ? fill_super+0x2310/0x2310 [ 28.813269] ? copy_mount_options+0x1fa/0x2f0 [ 28.816795] ? alloc_pages_current+0x15d/0x260 [ 28.820129] ? copy_mnt_ns+0xa30/0xa30 [ 28.823561] ? __lockdep_init_map+0x100/0x560 [ 28.828032] SyS_mount+0xa8/0x120 [ 28.831465] mount_fs+0x92/0x2a0 [ 28.834980] ? copy_mnt_ns+0xa30/0xa30 [ 28.838669] vfs_kern_mount.part.0+0x5b/0x470 [ 28.842533] do_syscall_64+0x1d5/0x640 [ 28.846567] do_mount+0xe65/0x2a30 [ 28.850781] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 28.854380] ? do_raw_spin_unlock+0x164/0x220 [ 28.858849] RIP: 0033:0x7fdcfcd186da [ 28.862800] ? copy_mount_string+0x40/0x40 [ 28.867260] RSP: 002b:00007ffe6477b248 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 28.871829] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 28.875686] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdcfcd186da [ 28.880158] ? copy_mnt_ns+0xa30/0xa30 [ 28.884018] RDX: 0000000020013400 RSI: 0000000020013440 RDI: 00007ffe6477b260 [ 28.887358] ? copy_mount_options+0x1fa/0x2f0 [ 28.891216] RBP: 00007ffe6477b260 R08: 00007ffe6477b2a0 R09: 0000000000000002 [ 28.895687] ? copy_mnt_ns+0xa30/0xa30 [ 28.899548] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 28.903066] SyS_mount+0xa8/0x120 [ 28.908221] R13: 00005555557002c0 R14: 0000000000000000 R15: 00007ffe6477b2a0 [ 28.985141] ? copy_mnt_ns+0xa30/0xa30 [ 28.989018] do_syscall_64+0x1d5/0x640 [ 28.992897] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 28.998070] RIP: 0033:0x7fdcfcd186da [ 29.001763] RSP: 002b:00007ffe6477b248 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 29.009454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdcfcd186da [ 29.016706] RDX: 0000000020013400 RSI: 0000000020013440 RDI: 00007ffe6477b260 [ 29.023965] RBP: 00007ffe6477b260 R08: 00007ffe6477b2a0 R09: 0000000000000002 [ 29.031307] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 29.038561] R13: 00005555557002c0 R14: 0000000000000000 R15: 00007ffe6477b2a0 [ 29.045823] Code: bd ea ff ff ff e9 8f c2 9f fa 4c 89 ff e8 74 de 7a fa eb da e8 6d 1d 51 fa 4c 89 ea 48 89 ee 48 c7 c7 80 c4 95 87 e8 e5 fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 4c b4 7a fa e8 47 1d 51 fa 4d [ 29.065006] ---[ end trace 11aae1ce5b691428 ]--- [ 29.069905] Kernel Offset: disabled [ 29.073560] Rebooting in 86400 seconds..