Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. [ 28.838238] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 28.851165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.863281] ------------[ cut here ]------------ [ 28.868057] WARNING: CPU: 0 PID: 7991 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 28.876276] Kernel panic - not syncing: panic_on_warn set ... [ 28.876276] [ 28.883631] CPU: 0 PID: 7991 Comm: syz-executor325 Not tainted 4.14.302-syzkaller #0 [ 28.891500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 28.900845] Call Trace: [ 28.903434] dump_stack+0x1b2/0x281 [ 28.907057] panic+0x1f9/0x42d [ 28.910240] ? add_taint.cold+0x16/0x16 [ 28.914210] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.918609] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.923010] __warn.cold+0x20/0x44 [ 28.926542] ? ist_end_non_atomic+0x10/0x10 [ 28.930853] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.931148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.935245] report_bug+0x208/0x250 [ 28.935259] do_error_trap+0x195/0x2d0 [ 28.935266] ? math_error+0x2d0/0x2d0 [ 28.935274] ? ___preempt_schedule+0x16/0x18 [ 28.935284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.935296] invalid_op+0x1b/0x40 [ 28.935304] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 28.935308] RSP: 0018:ffff8880b3287728 EFLAGS: 00010282 [ 28.935315] RAX: 000000000000003a RBX: ffff8880b1a31c90 RCX: 0000000000000000 [ 28.935319] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1016650edb [ 28.935323] RBP: ffff8880b3dc2400 R08: 000000000000003a R09: 0000000000000000 [ 28.935326] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238c25c40 [ 28.935330] R13: ffff8880af040000 R14: ffff8880b1a31c98 R15: ffff888095745c58 [ 28.935348] ? sysfs_warn_dup.cold+0x17/0x26 [ 28.954401] gfs2: fsid=syz:syz: Now mounting FS... [ 28.957648] sysfs_create_dir_ns+0x16f/0x1d0 [ 28.957660] kobject_add_internal+0x28b/0x930 [ 28.957673] kobject_init_and_add+0xde/0x120 [ 28.963736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.965932] ? kobject_create_and_add+0x200/0x200 [ 28.965943] ? vsnprintf+0x260/0x1340 [ 28.965957] gfs2_sys_fs_add+0x184/0x3f0 [ 28.971073] ------------[ cut here ]------------ [ 28.976293] ? recover_store+0x100/0x100 [ 28.984150] WARNING: CPU: 1 PID: 7995 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 28.991393] ? snprintf+0xa5/0xd0 [ 28.998636] Modules linked in: [ 29.005888] ? strscpy+0x94/0x280 [ 29.017511] fill_super+0x118b/0x2310 [ 29.022414] CPU: 1 PID: 7995 Comm: syz-executor325 Not tainted 4.14.302-syzkaller #0 [ 29.026804] ? vsnprintf+0x260/0x1340 [ 29.031265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.035647] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.042282] task: ffff888095ae06c0 task.stack: ffff8880b3b98000 [ 29.047098] ? pointer+0x9e0/0x9e0 [ 29.050874] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.054907] ? snprintf+0xa5/0xd0 [ 29.059636] RSP: 0018:ffff8880b3b9f728 EFLAGS: 00010282 [ 29.063673] ? vsprintf+0x30/0x30 [ 29.075315] ? set_blocksize+0x125/0x380 [ 29.078651] RAX: 000000000000003a RBX: ffff88809be45d10 RCX: 0000000000000000 [ 29.082081] gfs2_mount+0x439/0x510 [ 29.085851] RDX: 0000000000000000 RSI: ffffffff87cd1200 RDI: ffffed1016773edb [ 29.093705] ? fill_super+0x2310/0x2310 [ 29.097475] RBP: ffff888095162980 R08: 000000000000003a R09: 0000000000000001 [ 29.106835] ? alloc_pages_current+0x15d/0x260 [ 29.111287] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238c25c40 [ 29.117332] ? __lockdep_init_map+0x100/0x560 [ 29.120844] R13: ffff8880af216cc0 R14: ffff88809be45d18 R15: ffff88809bf51cd8 [ 29.125834] mount_fs+0x92/0x2a0 [ 29.129262] FS: 0000555556649300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 29.134600] vfs_kern_mount.part.0+0x5b/0x470 [ 29.138021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.142143] do_mount+0xe65/0x2a30 [ 29.149385] CR2: 00007ff478037098 CR3: 00000000ab359000 CR4: 00000000003406e0 [ 29.149392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.153001] ? retint_kernel+0x2d/0x2d [ 29.160240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.164191] ? copy_mount_string+0x40/0x40 [ 29.171435] Call Trace: [ 29.175997] ? copy_mount_options+0x18f/0x2f0 [ 29.183242] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.187708] ? copy_mount_options+0x1fa/0x2f0 [ 29.194974] kobject_add_internal+0x28b/0x930 [ 29.198310] ? copy_mnt_ns+0xa30/0xa30 [ 29.206514] kobject_init_and_add+0xde/0x120 [ 29.210988] SyS_mount+0xa8/0x120 [ 29.216855] ? kobject_create_and_add+0x200/0x200 [ 29.220367] ? copy_mnt_ns+0xa30/0xa30 [ 29.227623] ? vsnprintf+0x260/0x1340 [ 29.234868] do_syscall_64+0x1d5/0x640 [ 29.238733] gfs2_sys_fs_add+0x184/0x3f0 [ 29.245978] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.250180] ? recover_store+0x100/0x100 [ 29.252738] RIP: 0033:0x7ff1b60f69ba [ 29.257206] ? snprintf+0xa5/0xd0 [ 29.261581] RSP: 002b:00007ffc1ea23d78 EFLAGS: 00000282 [ 29.266054] ? strscpy+0x94/0x280 [ 29.270510] ORIG_RAX: 00000000000000a5 [ 29.270516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff1b60f69ba [ 29.274379] fill_super+0x118b/0x2310 [ 29.278757] RDX: 00000000200124c0 RSI: 0000000020000040 RDI: 00007ffc1ea23d90 [ 29.282189] ? vsnprintf+0x260/0x1340 [ 29.286998] RBP: 00007ffc1ea23d90 R08: 00007ffc1ea23dd0 R09: 0000000000000002 [ 29.290947] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.294715] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 29.298576] ? pointer+0x9e0/0x9e0 [ 29.302607] R13: 00005555566492c0 R14: 0000000000000000 R15: 00007ffc1ea23dd0 [ 29.307772] ? snprintf+0xa5/0xd0 [ 29.386994] ? vsprintf+0x30/0x30 [ 29.390434] ? set_blocksize+0x125/0x380 [ 29.394481] gfs2_mount+0x439/0x510 [ 29.398094] ? fill_super+0x2310/0x2310 [ 29.402071] ? alloc_pages_current+0x15d/0x260 [ 29.406640] ? __lockdep_init_map+0x100/0x560 [ 29.411121] mount_fs+0x92/0x2a0 [ 29.414473] vfs_kern_mount.part.0+0x5b/0x470 [ 29.418954] do_mount+0xe65/0x2a30 [ 29.422477] ? do_raw_spin_unlock+0x164/0x220 [ 29.426961] ? copy_mount_string+0x40/0x40 [ 29.431179] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.436176] ? copy_mnt_ns+0xa30/0xa30 [ 29.440046] ? copy_mount_options+0x1fa/0x2f0 [ 29.444524] ? copy_mnt_ns+0xa30/0xa30 [ 29.448396] SyS_mount+0xa8/0x120 [ 29.451841] ? copy_mnt_ns+0xa30/0xa30 [ 29.455712] do_syscall_64+0x1d5/0x640 [ 29.459594] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.464765] RIP: 0033:0x7ff1b60f69ba [ 29.468459] RSP: 002b:00007ffc1ea23d78 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 29.476150] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff1b60f69ba [ 29.483878] RDX: 00000000200124c0 RSI: 0000000020000040 RDI: 00007ffc1ea23d90 [ 29.491128] RBP: 00007ffc1ea23d90 R08: 00007ffc1ea23dd0 R09: 0000000000000002 [ 29.498379] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 29.505653] R13: 00005555566492c0 R14: 0000000000000000 R15: 00007ffc1ea23dd0 [ 29.512925] 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 [ 29.532120] ---[ end trace 7010d43ab5600404 ]--- [ 29.536920] Kernel Offset: disabled [ 29.540577] Rebooting in 86400 seconds..