Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. [ 30.113561] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 30.134383] gfs2: fsid=syz:syz: Now mounting FS... [ 30.165326] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents [ 30.179491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 30.203650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 30.215583] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 30.220396] ------------[ cut here ]------------ [ 30.222168] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 30.226543] WARNING: CPU: 1 PID: 7966 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 30.226549] Kernel panic - not syncing: panic_on_warn set ... [ 30.226549] [ 30.226556] CPU: 1 PID: 7966 Comm: syz-executor369 Not tainted 4.14.300-syzkaller #0 [ 30.226560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 30.226563] Call Trace: [ 30.226574] dump_stack+0x1b2/0x281 [ 30.226584] panic+0x1f9/0x42d [ 30.226592] ? add_taint.cold+0x16/0x16 [ 30.226602] ? sysfs_warn_dup.cold+0x17/0x26 [ 30.226611] ? sysfs_warn_dup.cold+0x17/0x26 [ 30.226616] __warn.cold+0x20/0x44 [ 30.226625] ? ist_end_non_atomic+0x10/0x10 [ 30.226632] ? sysfs_warn_dup.cold+0x17/0x26 [ 30.226640] report_bug+0x208/0x250 [ 30.226650] do_error_trap+0x195/0x2d0 [ 30.226658] ? math_error+0x2d0/0x2d0 [ 30.226666] ? ___preempt_schedule+0x16/0x18 [ 30.226677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.226688] invalid_op+0x1b/0x40 [ 30.240663] ------------[ cut here ]------------ [ 30.240866] ? sysfs_warn_dup.cold+0x17/0x26 [ 30.248201] WARNING: CPU: 0 PID: 7974 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 30.256053] ? sysfs_warn_dup.cold+0x17/0x26 [ 30.265379] Modules linked in: [ 30.267948] ? sysfs_create_dir_ns+0x16f/0x1d0 [ 30.274751] ? kobject_add_internal+0x28b/0x930 [ 30.278699] CPU: 0 PID: 7974 Comm: syz-executor369 Not tainted 4.14.300-syzkaller #0 [ 30.283087] ? kobject_init_and_add+0xde/0x120 [ 30.287462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 30.290980] ? kobject_create_and_add+0x200/0x200 [ 30.295268] task: ffff8880b332c240 task.stack: ffff8880b31e8000 [ 30.299665] ? vsnprintf+0x260/0x1340 [ 30.303263] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 30.307131] ? gfs2_sys_fs_add+0x184/0x3f0 [ 30.310897] RSP: 0018:ffff8880b31ef728 EFLAGS: 00010282 [ 30.315277] ? recover_store+0x100/0x100 [ 30.323539] ? snprintf+0xa5/0xd0 [ 30.328260] RAX: 000000000000003a RBX: ffff8880b1b25bd0 RCX: 0000000000000000 [ 30.328266] RDX: 0000000000000000 RSI: ffffffff878bd060 RDI: ffffed101663dedb [ 30.332656] ? strscpy+0x94/0x280 [ 30.340851] RBP: ffff8880b18422c0 R08: 000000000000003a R09: 0000000000000000 [ 30.345238] ? fill_super+0x118b/0x2310 [ 30.348406] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238818620 [ 30.352963] ? vsnprintf+0x260/0x1340 [ 30.357604] R13: ffff8880a23a18c0 R14: ffff8880b1b25bd8 R15: ffff8880b293db98 [ 30.365464] ? gfs2_online_uevent+0x1b0/0x1b0 [ 30.370019] FS: 000055555632f300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 30.379349] ? pointer+0x9e0/0x9e0 [ 30.384163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.390198] ? snprintf+0xa5/0xd0 [ 30.393967] CR2: 00007fc0304d6020 CR3: 00000000ab846000 CR4: 00000000003406f0 [ 30.398958] ? vsprintf+0x30/0x30 [ 30.403165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.408531] ? set_blocksize+0x125/0x380 [ 30.412559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.415991] ? gfs2_mount+0x439/0x510 [ 30.423233] Call Trace: [ 30.430480] ? fill_super+0x2310/0x2310 [ 30.433912] sysfs_create_dir_ns+0x16f/0x1d0 [ 30.441167] ? alloc_pages_current+0x15d/0x260 [ 30.445105] kobject_add_internal+0x28b/0x930 [ 30.452350] ? __lockdep_init_map+0x100/0x560 [ 30.456128] kobject_init_and_add+0xde/0x120 [ 30.463375] ? mount_fs+0x92/0x2a0 [ 30.467843] ? kobject_create_and_add+0x200/0x200 [ 30.476061] ? vfs_kern_mount.part.0+0x5b/0x470 [ 30.479572] ? vsnprintf+0x260/0x1340 [ 30.485428] ? do_mount+0xe65/0x2a30 [ 30.488861] gfs2_sys_fs_add+0x184/0x3f0 [ 30.496109] ? copy_mount_string+0x40/0x40 [ 30.499535] ? recover_store+0x100/0x100 [ 30.506780] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.510811] ? snprintf+0xa5/0xd0 [ 30.518058] ? copy_mnt_ns+0xa30/0xa30 [ 30.521835] ? strscpy+0x94/0x280 [ 30.524395] ? copy_mount_options+0x1fa/0x2f0 [ 30.528341] fill_super+0x118b/0x2310 [ 30.532809] ? copy_mnt_ns+0xa30/0xa30 [ 30.537370] ? vsnprintf+0x260/0x1340 [ 30.541920] ? SyS_mount+0xa8/0x120 [ 30.546388] ? gfs2_online_uevent+0x1b0/0x1b0 [ 30.550768] ? copy_mnt_ns+0xa30/0xa30 [ 30.554278] ? pointer+0x9e0/0x9e0 [ 30.559097] ? do_syscall_64+0x1d5/0x640 [ 30.563741] ? snprintf+0xa5/0xd0 [ 30.567517] ? entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 30.571199] ? vsprintf+0x30/0x30 [ 30.646743] ? set_blocksize+0x125/0x380 [ 30.650795] gfs2_mount+0x439/0x510 [ 30.654407] ? fill_super+0x2310/0x2310 [ 30.658375] ? alloc_pages_current+0x15d/0x260 [ 30.662943] ? __lockdep_init_map+0x100/0x560 [ 30.667418] mount_fs+0x92/0x2a0 [ 30.670768] vfs_kern_mount.part.0+0x5b/0x470 [ 30.675245] do_mount+0xe65/0x2a30 [ 30.678767] ? retint_kernel+0x2d/0x2d [ 30.682721] ? copy_mount_string+0x40/0x40 [ 30.686941] ? copy_mount_options+0x19a/0x2f0 [ 30.691524] ? copy_mount_options+0x1fa/0x2f0 [ 30.696001] ? copy_mnt_ns+0xa30/0xa30 [ 30.699869] SyS_mount+0xa8/0x120 [ 30.703303] ? copy_mnt_ns+0xa30/0xa30 [ 30.707174] do_syscall_64+0x1d5/0x640 [ 30.711053] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 30.716227] Code: bd ea ff ff ff e9 69 d3 9f fa 4c 89 ff e8 be ed 7a fa eb da e8 f7 2f 51 fa 4c 89 ea 48 89 ee 48 c7 c7 c0 c4 95 87 e8 04 fc fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 96 c3 7a fa e8 d1 2f 51 fa 4d [ 30.735413] ---[ end trace a972f4a0ed5f19b4 ]--- [ 30.740364] Kernel Offset: disabled [ 30.744028] Rebooting in 86400 seconds..