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:274!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 10478 Comm: syz.1.1115 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__gfs2_glock_put+0x384/0x3e0 fs/gfs2/glock.c:274
Code: 3f 48 89 de e8 7d 0f ff ff eb 26 e8 96 e9 c5 fd e9 30 fe ff ff e8 8c e9 c5 fd 31 ff 48 89 de ba 01 00 00 00 e8 2d df ff ff 90 <0f> 0b e8 75 e9 c5 fd 31 f6 65 ff 0d 7c ce c7 0e 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000389f408 EFLAGS: 00010246
RAX: 52c2dd8832becd00 RBX: ffff8880626c4fd8 RCX: 0000000000080000
RDX: ffffc9000c159000 RSI: 0000000000030326 RDI: 0000000000030327
RBP: 0000000000000000 R08: ffffc9000389ecc7 R09: 1ffff92000713d98
R10: dffffc0000000000 R11: fffff52000713d99 R12: dffffc0000000000
R13: 1ffff11005ef1015 R14: ffff88802f788000 R15: ffff8880626c52c8
FS:  00007f3ea498f6c0(0000) GS:ffff888125afc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558b724808 CR3: 0000000075c8e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 gfs2_glock_put_eventually fs/gfs2/super.c:1183 [inline]
 gfs2_evict_inode+0xae7/0x1000 fs/gfs2/super.c:1458
 evict+0x504/0x9c0 fs/inode.c:810
 gfs2_jindex_free+0x39c/0x440 fs/gfs2/super.c:79
 init_journal+0x8f1/0x2260 fs/gfs2/ops_fstype.c:833
 init_inodes+0xcf/0x320 fs/gfs2/ops_fstype.c:891
 gfs2_fill_super+0x1a2e/0x20d0 fs/gfs2/ops_fstype.c:1295
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1337
 vfs_get_tree+0x92/0x2b0 fs/super.c:1751
 fc_mount fs/namespace.c:1208 [inline]
 do_new_mount_fc fs/namespace.c:3651 [inline]
 do_new_mount+0x302/0x9e0 fs/namespace.c:3725
 do_mount fs/namespace.c:4048 [inline]
 __do_sys_mount fs/namespace.c:4236 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4213
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ea3b9066a
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:00007f3ea498ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3ea498eef0 RCX: 00007f3ea3b9066a
RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f3ea498eeb0
RBP: 0000200000037f40 R08: 00007f3ea498eef0 R09: 0000000001010084
R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
R13: 00007f3ea498eeb0 R14: 0000000000037f14 R15: 0000200000000480
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x384/0x3e0 fs/gfs2/glock.c:274
Code: 3f 48 89 de e8 7d 0f ff ff eb 26 e8 96 e9 c5 fd e9 30 fe ff ff e8 8c e9 c5 fd 31 ff 48 89 de ba 01 00 00 00 e8 2d df ff ff 90 <0f> 0b e8 75 e9 c5 fd 31 f6 65 ff 0d 7c ce c7 0e 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000389f408 EFLAGS: 00010246
RAX: 52c2dd8832becd00 RBX: ffff8880626c4fd8 RCX: 0000000000080000
RDX: ffffc9000c159000 RSI: 0000000000030326 RDI: 0000000000030327
RBP: 0000000000000000 R08: ffffc9000389ecc7 R09: 1ffff92000713d98
R10: dffffc0000000000 R11: fffff52000713d99 R12: dffffc0000000000
R13: 1ffff11005ef1015 R14: ffff88802f788000 R15: ffff8880626c52c8
FS:  00007f3ea498f6c0(0000) GS:ffff888125afc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f024ccff000 CR3: 0000000075c8e000 CR4: 00000000003526f0