gfs2: fsid=gfs2 : Trying to join cluster "lock_nolock", "gfs2 "
sysfs: cannot create duplicate filename '/fs/gfs2/gfs2 '
sysfs: cannot create duplicate filename '/fs/gfs2/gfs2 '
sysfs: cannot create duplicate filename '/fs/gfs2/gfs2 '
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7976 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30
gfs2: fsid=gfs2 : Now mounting FS...
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7976 Comm: syz-executor994 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 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
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30
RSP: 0018:ffff8880af26f728 EFLAGS: 00010282
RAX: 0000000000000038 RBX: ffff8880b1c89d90 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1015e4dedb
------------[ cut here ]------------
RBP: ffff888095738400 R08: 0000000000000038 R09: 0000000000000000
WARNING: CPU: 0 PID: 7980 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0f48380
Modules linked in:
R13: ffff8880b1d01180 R14: ffff8880b1c89d98 R15: ffff88809544dd58
 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59
CPU: 0 PID: 7980 Comm: syz-executor994 Not tainted 4.14.302-syzkaller #0
 create_dir lib/kobject.c:71 [inline]
 kobject_add_internal+0x28b/0x930 lib/kobject.c:229
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
 kobject_add_varg lib/kobject.c:364 [inline]
 kobject_init_and_add+0xde/0x120 lib/kobject.c:436
task: ffff8880b56b6540 task.stack: ffff8880b36b8000
RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30
RSP: 0018:ffff8880b36bf728 EFLAGS: 00010282
 gfs2_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652
RAX: 0000000000000038 RBX: ffff88809544dd50 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10166d7edb
RBP: ffff8880b404a300 R08: 0000000000000038 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0f48380
R13: ffff8880b1e39480 R14: ffff88809544dd58 R15: ffff888095bd9d18
 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1127
FS:  000055555656f300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff7bf47c10 CR3: 00000000aafb9000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59
 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1340
 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
 mount_fs+0x92/0x2a0 fs/super.c:1237
 gfs2_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652
 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+0xe65/0x2a30 fs/namespace.c:2905
 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1127
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1340
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f877b8a1a5a
RSP: 002b:00007fff97ec0818 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f877b8a1a5a
 mount_fs+0x92/0x2a0 fs/super.c:1237
RDX: 0000000020013400 RSI: 0000000020013440 RDI: 00007fff97ec0830
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
RBP: 00007fff97ec0830 R08: 00007fff97ec0870 R09: 0000000000000002
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2572 [inline]
 do_mount+0xe65/0x2a30 fs/namespace.c:2905
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
R13: 000055555656f2c0 R14: 0000000000000000 R15: 00007fff97ec0870
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f877b8a1a5a
RSP: 002b:00007fff97ec0818 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f877b8a1a5a
RDX: 0000000020013400 RSI: 0000000020013440 RDI: 00007fff97ec0830
RBP: 00007fff97ec0830 R08: 00007fff97ec0870 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
R13: 000055555656f2c0 R14: 0000000000000000 R15: 00007fff97ec0870
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 
---[ end trace c7cfae08170f5b5d ]---
Kernel Offset: disabled
Rebooting in 86400 seconds..