Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 30.902261] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 30.929608] gfs2: fsid=syz:syz: Now mounting FS... [ 30.942615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 30.952538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 30.962861] ------------[ cut here ]------------ [ 30.967667] WARNING: CPU: 0 PID: 7978 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 30.975889] Kernel panic - not syncing: panic_on_warn set ... [ 30.975889] [ 30.983249] CPU: 0 PID: 7978 Comm: syz-executor888 Not tainted 4.14.302-syzkaller #0 [ 30.991296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 30.992442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.000673] Call Trace: [ 31.000691] dump_stack+0x1b2/0x281 [ 31.000701] panic+0x1f9/0x42d [ 31.000709] ? add_taint.cold+0x16/0x16 [ 31.000720] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.000727] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.000733] __warn.cold+0x20/0x44 [ 31.000741] ? ist_end_non_atomic+0x10/0x10 [ 31.000748] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.000755] report_bug+0x208/0x250 [ 31.000765] do_error_trap+0x195/0x2d0 [ 31.000773] ? math_error+0x2d0/0x2d0 [ 31.000780] ? ___preempt_schedule+0x16/0x18 [ 31.000792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.021382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.025693] invalid_op+0x1b/0x40 [ 31.025705] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.025709] RSP: 0018:ffff88809967f728 EFLAGS: 00010282 [ 31.025716] RAX: 000000000000003a RBX: ffff8880a9ba5690 RCX: 0000000000000000 [ 31.025719] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10132cfedb [ 31.025723] RBP: ffff888095530e00 R08: 000000000000003a R09: 0000000000000000 [ 31.025726] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0822460 [ 31.025730] R13: ffff8880b37a2740 R14: ffff8880a9ba5698 R15: ffff8880a4f11a18 [ 31.025744] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.025752] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.025762] kobject_add_internal+0x28b/0x930 [ 31.025774] kobject_init_and_add+0xde/0x120 [ 31.025782] ? kobject_create_and_add+0x200/0x200 [ 31.025791] ? vsnprintf+0x260/0x1340 [ 31.038326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.042396] gfs2_sys_fs_add+0x184/0x3f0 [ 31.042406] ? recover_store+0x100/0x100 [ 31.042417] ? snprintf+0xa5/0xd0 [ 31.042428] ? strscpy+0x94/0x280 [ 31.083305] ------------[ cut here ]------------ [ 31.083401] fill_super+0x118b/0x2310 [ 31.090682] WARNING: CPU: 1 PID: 7977 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 31.097926] ? vsnprintf+0x260/0x1340 [ 31.105176] Modules linked in: [ 31.112449] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.119696] CPU: 1 PID: 7977 Comm: syz-executor888 Not tainted 4.14.302-syzkaller #0 [ 31.124092] ? pointer+0x9e0/0x9e0 [ 31.128468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 31.133204] ? snprintf+0xa5/0xd0 [ 31.137580] task: ffff8880b4134080 task.stack: ffff88809b750000 [ 31.142410] ? vsprintf+0x30/0x30 [ 31.146206] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.153290] ? gfs2_open+0x160/0x160 [ 31.157319] RSP: 0018:ffff88809b757728 EFLAGS: 00010282 [ 31.161556] ? set_blocksize+0x125/0x380 [ 31.164991] RAX: 000000000000003a RBX: ffff8880a97015d0 RCX: 0000000000000000 [ 31.168434] gfs2_mount+0x439/0x510 [ 31.173257] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10136eaedb [ 31.177049] ? fill_super+0x2310/0x2310 [ 31.185275] RBP: ffff8880b1070180 R08: 000000000000003a R09: 0000000000000001 [ 31.189073] ? alloc_pages_current+0x15d/0x260 [ 31.192218] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0822460 [ 31.196688] ? __lockdep_init_map+0x100/0x560 [ 31.204543] R13: ffff8880b3035700 R14: ffff8880a97015d8 R15: ffff8880a965d618 [ 31.208069] mount_fs+0x92/0x2a0 [ 31.217405] FS: 0000555557070300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 31.220847] vfs_kern_mount.part.0+0x5b/0x470 [ 31.226860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.230301] do_mount+0xe65/0x2a30 [ 31.235298] CR2: 00007ffea9b37f90 CR3: 00000000b3764000 CR4: 00000000003406e0 [ 31.239013] ? copy_mount_string+0x40/0x40 [ 31.244461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.248512] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.255841] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.255848] Call Trace: [ 31.259471] ? copy_mnt_ns+0xa30/0xa30 [ 31.266734] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.270681] ? copy_mount_options+0x1fa/0x2f0 [ 31.277926] kobject_add_internal+0x28b/0x930 [ 31.282479] ? copy_mnt_ns+0xa30/0xa30 [ 31.289725] kobject_init_and_add+0xde/0x120 [ 31.294193] SyS_mount+0xa8/0x120 [ 31.301448] ? kobject_create_and_add+0x200/0x200 [ 31.304794] ? copy_mnt_ns+0xa30/0xa30 [ 31.312991] ? vsnprintf+0x260/0x1340 [ 31.317458] do_syscall_64+0x1d5/0x640 [ 31.323328] gfs2_sys_fs_add+0x184/0x3f0 [ 31.326841] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 31.334085] ? recover_store+0x100/0x100 [ 31.338409] RIP: 0033:0x7f931c1246da [ 31.345651] ? snprintf+0xa5/0xd0 [ 31.350633] RSP: 002b:00007ffe36091e08 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.357886] ? strscpy+0x94/0x280 [ 31.360437] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f931c1246da [ 31.364298] fill_super+0x118b/0x2310 [ 31.368674] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffe36091e20 [ 31.373171] ? vsnprintf+0x260/0x1340 [ 31.377630] RBP: 00007ffe36091e20 R08: 00007ffe36091e60 R09: 0000000000000002 [ 31.377636] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 31.381515] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.385891] R13: 00005555570702c0 R14: 0000000000000000 R15: 00007ffe36091e60 [ 31.389315] ? pointer+0x9e0/0x9e0 [ 31.488921] ? snprintf+0xa5/0xd0 [ 31.492354] ? vsprintf+0x30/0x30 [ 31.495795] ? gfs2_open+0x160/0x160 [ 31.499492] ? set_blocksize+0x125/0x380 [ 31.503538] gfs2_mount+0x439/0x510 [ 31.507321] ? fill_super+0x2310/0x2310 [ 31.511378] ? alloc_pages_current+0x15d/0x260 [ 31.515939] ? __lockdep_init_map+0x100/0x560 [ 31.520416] mount_fs+0x92/0x2a0 [ 31.523771] vfs_kern_mount.part.0+0x5b/0x470 [ 31.529160] do_mount+0xe65/0x2a30 [ 31.533142] ? do_raw_spin_unlock+0x164/0x220 [ 31.537635] ? copy_mount_string+0x40/0x40 [ 31.541860] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 31.546859] ? copy_mnt_ns+0xa30/0xa30 [ 31.550731] ? copy_mount_options+0x1fa/0x2f0 [ 31.555205] ? copy_mnt_ns+0xa30/0xa30 [ 31.559078] SyS_mount+0xa8/0x120 [ 31.562515] ? copy_mnt_ns+0xa30/0xa30 [ 31.566398] do_syscall_64+0x1d5/0x640 [ 31.570273] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 31.575449] RIP: 0033:0x7f931c1246da [ 31.579165] RSP: 002b:00007ffe36091e08 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 31.586854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f931c1246da [ 31.594119] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007ffe36091e20 [ 31.601389] RBP: 00007ffe36091e20 R08: 00007ffe36091e60 R09: 0000000000000002 [ 31.608665] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 31.616080] R13: 00005555570702c0 R14: 0000000000000000 R15: 00007ffe36091e60 [ 31.623350] 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 [ 31.642560] ---[ end trace d4b8e2fef33906e4 ]--- [ 31.647522] Kernel Offset: disabled [ 31.651184] Rebooting in 86400 seconds..