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:2/47 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: 1 UID: 0 PID: 12748 Comm: syz.1.1467 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 3f 9b c0 fd e9 5a fe ff ff e8 35 9b c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 96 e1 ff ff 90 <0f> 0b e8 1e 9b c0 fd 31 f6 65 ff 0d 75 70 a1 0e 40 0f 94 c5 40 0f
RSP: 0018:ffffc90003377408 EFLAGS: 00010246
RAX: 52466fe8017d8b00 RBX: ffff888092d11520 RCX: 0000000000080000
RDX: ffffc9000caa2000 RSI: 0000000000026dba RDI: 0000000000026dbb
RBP: ffffc90003377570 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa958 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff888028f8c000 R15: ffff888092d11810
FS:  00007f4fc700c6c0(0000) GS:ffff888125d07000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c317f0e CR3: 000000004414a000 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
 gfs2_jindex_free+0x39c/0x440 fs/gfs2/super.c:79
 init_journal+0x865/0x2170 fs/gfs2/ops_fstype.c:826
 init_inodes+0xcf/0x320 fs/gfs2/ops_fstype.c:884
 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: 0033:0x7f4fc6190eea
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:00007f4fc700be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f4fc700bef0 RCX: 00007f4fc6190eea
RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f4fc700beb0
RBP: 0000200000037f40 R08: 00007f4fc700bef0 R09: 0000000001010084
R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
R13: 00007f4fc700beb0 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 3f 9b c0 fd e9 5a fe ff ff e8 35 9b c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 96 e1 ff ff 90 <0f> 0b e8 1e 9b c0 fd 31 f6 65 ff 0d 75 70 a1 0e 40 0f 94 c5 40 0f
RSP: 0018:ffffc90003377408 EFLAGS: 00010246
RAX: 52466fe8017d8b00 RBX: ffff888092d11520 RCX: 0000000000080000
RDX: ffffc9000caa2000 RSI: 0000000000026dba RDI: 0000000000026dbb
RBP: ffffc90003377570 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa958 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff888028f8c000 R15: ffff888092d11810
FS:  00007f4fc700c6c0(0000) GS:ffff888125d07000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe0fa650f98 CR3: 000000004414a000 CR4: 00000000003526f0
DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400