gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: can't create logd thread: -4
gfs2: fsid=syz:syz.0: G:  s:UN n:2/24a0 f:an t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:246!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 18671 Comm: syz.3.2612 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__gfs2_glock_put+0x31b/0x370 fs/gfs2/glock.c:246
Code: 3f 48 89 de e8 06 13 ff ff eb 26 e8 7f 9a c0 fd e9 5a fe ff ff e8 75 9a c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 96 e1 ff ff 90 <0f> 0b e8 5e 9a c0 fd 31 f6 65 ff 0d c5 6f a1 0e 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000c967708 EFLAGS: 00010246
RAX: 47c589a7753d4100 RBX: ffff888058ca9fb0 RCX: 0000000000080000
RDX: ffffc90011403000 RSI: 0000000000026fd9 RDI: 0000000000026fda
RBP: ffffc9000c967870 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa958 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff88808d254000 R15: ffff888058caa2a0
FS:  00007f55b6b6f6c0(0000) GS:ffff888125c07000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000091a30000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 gfs2_glock_put_eventually fs/gfs2/super.c:1170 [inline]
 gfs2_evict_inode+0xae7/0x1000 fs/gfs2/super.c:1445
 evict+0x5f4/0xae0 fs/inode.c:837
 init_inodes+0x95/0x320 fs/gfs2/ops_fstype.c:879
 gfs2_fill_super+0x1b1d/0x21b0 fs/gfs2/ops_fstype.c:1290
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1332
 vfs_get_tree+0x92/0x2a0 fs/super.c:1751
 fc_mount fs/namespace.c:1193 [inline]
 do_new_mount_fc fs/namespace.c:3630 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3706
 do_mount fs/namespace.c:4029 [inline]
 __do_sys_mount fs/namespace.c:4218 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4195
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f55b5d90eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f55b6b6ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f55b6b6eef0 RCX: 00007f55b5d90eea
RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007f55b6b6eeb0
RBP: 0000200000000400 R08: 00007f55b6b6eef0 R09: 0000000001814084
R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
R13: 00007f55b6b6eeb0 R14: 0000000000037f14 R15: 0000200000000480
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x31b/0x370 fs/gfs2/glock.c:246
Code: 3f 48 89 de e8 06 13 ff ff eb 26 e8 7f 9a c0 fd e9 5a fe ff ff e8 75 9a c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 96 e1 ff ff 90 <0f> 0b e8 5e 9a c0 fd 31 f6 65 ff 0d c5 6f a1 0e 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000c967708 EFLAGS: 00010246
RAX: 47c589a7753d4100 RBX: ffff888058ca9fb0 RCX: 0000000000080000
RDX: ffffc90011403000 RSI: 0000000000026fd9 RDI: 0000000000026fda
RBP: ffffc9000c967870 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa958 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff88808d254000 R15: ffff888058caa2a0
FS:  00007f55b6b6f6c0(0000) GS:ffff888125c07000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000091a30000 CR4: 00000000003526f0