sysfs: cannot create duplicate filename '/fs/gfs2/ip_vti0' sysfs: cannot create duplicate filename '/fs/gfs2/ip_vti0' gfs2: not a GFS2 filesystem ------------[ cut here ]------------ sysfs: cannot create duplicate filename '/fs/gfs2/ip_vti0' WARNING: CPU: 1 PID: 7974 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7974 Comm: syz-executor289 Not tainted 4.14.260-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7975 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 Modules linked in: __warn.cold+0x20/0x44 kernel/panic.c:547 CPU: 0 PID: 7975 Comm: syz-executor289 Not tainted 4.14.260-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 report_bug+0x208/0x250 lib/bug.c:183 task: ffff8880b3a920c0 task.stack: ffff888095838000 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 RSP: 0018:ffff88809583f728 EFLAGS: 00010282 RAX: 000000000000003a RBX: ffff88809d715d50 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bbcc0 RDI: ffffed1012b07edb RBP: ffff8880b3732140 R08: 000000000000003a R09: 0000000000000000 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238c53e00 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 R13: ffff8880b3593780 R14: ffff88809d715d58 R15: ffff8880ab99dd18 RSP: 0018:ffff8880b374f728 EFLAGS: 00010282 FS: 00005555564c8300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RAX: 000000000000003a RBX: ffff88809d2b1d90 RCX: 0000000000000000 CR2: 00007f48e6637000 CR3: 00000000a184a000 CR4: 00000000003406f0 RDX: 0000000000000000 RSI: ffffffff878bbcc0 RDI: ffffed10166e9edb DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RBP: ffff8880b365a300 R08: 000000000000003a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238c53e00 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 R13: ffff8880b3f96700 R14: ffff88809d2b1d98 R15: ffff88809d715d58 Call Trace: sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xde/0x120 lib/kobject.c:436 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xde/0x120 lib/kobject.c:436 gfs2_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652 gfs2_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1122 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1122 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1335 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1335 mount_fs+0x92/0x2a0 fs/super.c:1237 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a10 fs/namespace.c:2902 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a10 fs/namespace.c:2902 SYSC_mount fs/namespace.c:3118 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3095 SYSC_mount fs/namespace.c:3118 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3095 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7ff88ad3fb3a RIP: 0033:0x7ff88ad3fb3a RSP: 002b:00007ffc1afdc538 EFLAGS: 00000282 RSP: 002b:00007ffc1afdc538 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff88ad3fb3a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff88ad3fb3a RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007ffc1afdc540 RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007ffc1afdc540 RBP: 00007ffc1afdc540 R08: 00007ffc1afdc580 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 RBP: 00007ffc1afdc540 R08: 00007ffc1afdc580 R09: 0000000000000002 R13: 0000000000000000 R14: 00007ffc1afdc580 R15: 00007ffc1afdc6d0 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 R13: 0000000000000000 R14: 00007ffc1afdc580 R15: 00007ffc1afdc6d0 Code: bd ea ff ff ff e9 d3 4b a0 fa 4c 89 ff e8 48 75 7b fa eb da e8 11 c6 51 fa 4c 89 ea 48 89 ee 48 c7 c7 40 ae 95 87 e8 ce fd fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 f0 4a 7b fa e8 eb c5 51 fa 4d ---[ end trace 591655744e92577e ]--- Kernel Offset: disabled Rebooting in 86400 seconds..