Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. [ 30.915719] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 30.968206] gfs2: fsid=syz:syz: Now mounting FS... [ 31.004475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.018890] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents [ 31.034619] ------------[ cut here ]------------ [ 31.039411] WARNING: CPU: 0 PID: 8001 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 31.040774] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 31.047628] Kernel panic - not syncing: panic_on_warn set ... [ 31.047628] [ 31.047639] CPU: 0 PID: 8001 Comm: syz-executor217 Not tainted 4.14.302-syzkaller #0 [ 31.047644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 31.047648] Call Trace: [ 31.047661] dump_stack+0x1b2/0x281 [ 31.047670] panic+0x1f9/0x42d [ 31.047677] ? add_taint.cold+0x16/0x16 [ 31.047690] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.047699] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.047705] __warn.cold+0x20/0x44 [ 31.047713] ? ist_end_non_atomic+0x10/0x10 [ 31.047719] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.047726] report_bug+0x208/0x250 [ 31.047735] do_error_trap+0x195/0x2d0 [ 31.047742] ? math_error+0x2d0/0x2d0 [ 31.047750] ? ___preempt_schedule+0x16/0x18 [ 31.047760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.047772] invalid_op+0x1b/0x40 [ 31.073187] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 31.078416] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.078421] RSP: 0018:ffff8880b3777728 EFLAGS: 00010282 [ 31.078429] RAX: 000000000000003a RBX: ffff8880b19b9d10 RCX: 0000000000000000 [ 31.078434] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10166eeedb [ 31.078438] RBP: ffff8880b1a3eb80 R08: 000000000000003a R09: 0000000000000000 [ 31.078445] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882388ba7e0 [ 31.085612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.087792] R13: ffff8880af495980 R14: ffff8880b19b9d18 R15: ffff8880b2ffdcd8 [ 31.087816] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.087827] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.091917] ------------[ cut here ]------------ [ 31.096173] kobject_add_internal+0x28b/0x930 [ 31.100556] WARNING: CPU: 1 PID: 8002 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 31.100561] Modules linked in: [ 31.104170] kobject_init_and_add+0xde/0x120 [ 31.112851] ? kobject_create_and_add+0x200/0x200 [ 31.116442] CPU: 1 PID: 8002 Comm: syz-executor217 Not tainted 4.14.302-syzkaller #0 [ 31.120305] ? vsnprintf+0x260/0x1340 [ 31.124076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 31.128467] gfs2_sys_fs_add+0x184/0x3f0 [ 31.133277] task: ffff8880b2e96380 task.stack: ffff88809e568000 [ 31.136708] ? recover_store+0x100/0x100 [ 31.142656] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.147645] ? snprintf+0xa5/0xd0 [ 31.152979] RSP: 0018:ffff88809e56f728 EFLAGS: 00010282 [ 31.160230] ? strscpy+0x94/0x280 [ 31.174726] fill_super+0x118b/0x2310 [ 31.181967] RAX: 000000000000003a RBX: ffff8880af1f5d50 RCX: 0000000000000000 [ 31.188783] ? vsnprintf+0x260/0x1340 [ 31.196028] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1013cadedb [ 31.200415] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.204792] RBP: ffff8880b30bae80 R08: 000000000000003a R09: 0000000000000001 [ 31.209523] ? pointer+0x9e0/0x9e0 [ 31.213988] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882388ba7e0 [ 31.222194] ? snprintf+0xa5/0xd0 [ 31.225385] R13: ffff8880af424300 R14: ffff8880af1f5d58 R15: ffff8880b19b9d18 [ 31.229769] ? vsprintf+0x30/0x30 [ 31.234584] FS: 0000555556fff300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 31.242443] ? gfs2_open+0x160/0x160 [ 31.246212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.246218] CR2: 00007f98fd570cd4 CR3: 00000000b4d3d000 CR4: 00000000003406e0 [ 31.255639] ? set_blocksize+0x125/0x380 [ 31.259674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.265712] gfs2_mount+0x439/0x510 [ 31.269742] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.274735] ? fill_super+0x2310/0x2310 [ 31.278163] Call Trace: [ 31.283518] ? alloc_pages_current+0x15d/0x260 [ 31.286938] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.290720] ? __lockdep_init_map+0x100/0x560 [ 31.297968] kobject_add_internal+0x28b/0x930 [ 31.301742] mount_fs+0x92/0x2a0 [ 31.308995] kobject_init_and_add+0xde/0x120 [ 31.313466] vfs_kern_mount.part.0+0x5b/0x470 [ 31.320715] ? kobject_create_and_add+0x200/0x200 [ 31.324233] do_mount+0xe65/0x2a30 [ 31.331480] ? vsnprintf+0x260/0x1340 [ 31.334907] ? retint_kernel+0x2d/0x2d [ 31.342159] gfs2_sys_fs_add+0x184/0x3f0 [ 31.345586] ? copy_mount_string+0x40/0x40 [ 31.353791] ? recover_store+0x100/0x100 [ 31.357480] ? copy_mount_options+0x18b/0x2f0 [ 31.363338] ? snprintf+0xa5/0xd0 [ 31.370615] ? copy_mount_options+0x1fa/0x2f0 [ 31.374658] ? strscpy+0x94/0x280 [ 31.381903] ? copy_mnt_ns+0xa30/0xa30 [ 31.385507] fill_super+0x118b/0x2310 [ 31.392752] SyS_mount+0xa8/0x120 [ 31.396703] ? vsnprintf+0x260/0x1340 [ 31.399263] ? copy_mnt_ns+0xa30/0xa30 [ 31.403819] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.408203] do_syscall_64+0x1d5/0x640 [ 31.412672] ? pointer+0x9e0/0x9e0 [ 31.417152] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 31.420495] ? snprintf+0xa5/0xd0 [ 31.424879] RIP: 0033:0x7f98fd4f46ba [ 31.429367] ? vsprintf+0x30/0x30 [ 31.434181] RSP: 002b:00007ffd84b6df58 EFLAGS: 00000282 [ 31.437703] ? gfs2_open+0x160/0x160 [ 31.441473] ORIG_RAX: 00000000000000a5 [ 31.441479] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f98fd4f46ba [ 31.445350] ? set_blocksize+0x125/0x380 [ 31.449384] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffd84b6df70 [ 31.449390] RBP: 00007ffd84b6df70 R08: 00007ffd84b6dfb0 R09: 0000000000000002 [ 31.453605] gfs2_mount+0x439/0x510 [ 31.457635] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 31.462109] ? fill_super+0x2310/0x2310 [ 31.465535] R13: 0000555556fff2c0 R14: 0000000000000000 R15: 00007ffd84b6dfb0 [ 31.470020] ? alloc_pages_current+0x15d/0x260 [ 31.585478] ? __lockdep_init_map+0x100/0x560 [ 31.589964] mount_fs+0x92/0x2a0 [ 31.593326] vfs_kern_mount.part.0+0x5b/0x470 [ 31.597807] do_mount+0xe65/0x2a30 [ 31.601334] ? do_raw_spin_unlock+0x164/0x220 [ 31.605819] ? copy_mount_string+0x40/0x40 [ 31.610042] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.615046] ? copy_mnt_ns+0xa30/0xa30 [ 31.618920] ? copy_mount_options+0x1fa/0x2f0 [ 31.623407] ? copy_mnt_ns+0xa30/0xa30 [ 31.627279] SyS_mount+0xa8/0x120 [ 31.630716] ? copy_mnt_ns+0xa30/0xa30 [ 31.634592] do_syscall_64+0x1d5/0x640 [ 31.638472] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 31.643645] RIP: 0033:0x7f98fd4f46ba [ 31.647340] RSP: 002b:00007ffd84b6df58 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.655038] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f98fd4f46ba [ 31.662293] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffd84b6df70 [ 31.669550] RBP: 00007ffd84b6df70 R08: 00007ffd84b6dfb0 R09: 0000000000000002 [ 31.676804] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 31.684060] R13: 0000555556fff2c0 R14: 0000000000000000 R15: 00007ffd84b6dfb0 [ 31.691327] 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 [ 31.710511] ---[ end trace f56fb12c9e297c4c ]--- [ 31.715443] Kernel Offset: disabled [ 31.719108] Rebooting in 86400 seconds..