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:2/249e f:n t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:302!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11723 Comm: syz.2.2468 Not tainted 6.6.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302
Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 44 3a e5 fd e9 d1 fe ff ff e8 3a 3a e5 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 24 3a e5 fd 31 f6 65 ff 0d b3 5d 63 7c 40 0f 94 c5 40 0f
RSP: 0018:ffffc90003707768 EFLAGS: 00010246
RAX: e9012b2d51ef7700 RBX: ffff88805ea28a90 RCX: 0000000000080000
RDX: ffffc9000ceb9000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffffc90003707007 R09: 1ffff920006e0e00
R10: dffffc0000000000 R11: fffff520006e0e01 R12: dffffc0000000000
R13: 1ffff1100f6c5015 R14: ffff88807b628000 R15: ffff88805ea28d80
FS:  00007f69d02516c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa46b461000 CR3: 000000005bc2d000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 gfs2_glock_put_eventually fs/gfs2/super.c:1275 [inline]
 gfs2_evict_inode+0x65a/0x1220 fs/gfs2/super.c:1557
 evict+0x486/0x870 fs/inode.c:705
 __dentry_kill+0x431/0x650 fs/dcache.c:611
 dentry_kill+0xb8/0x290 fs/dcache.c:-1
 dput+0xfe/0x1e0 fs/dcache.c:918
 gfs2_fill_super+0x173b/0x1f80 fs/gfs2/ops_fstype.c:1313
 get_tree_bdev+0x3e4/0x510 fs/super.c:1591
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1344
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24b/0xa40 fs/namespace.c:3366
 do_mount fs/namespace.c:3706 [inline]
 __do_sys_mount fs/namespace.c:3915 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f69cf3900ca
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:00007f69d0250e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f69d0250ef0 RCX: 00007f69cf3900ca
RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f69d0250eb0
RBP: 0000200000037f40 R08: 00007f69d0250ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
R13: 00007f69d0250eb0 R14: 0000000000037f19 R15: 0000200000037fc0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302
Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 44 3a e5 fd e9 d1 fe ff ff e8 3a 3a e5 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 24 3a e5 fd 31 f6 65 ff 0d b3 5d 63 7c 40 0f 94 c5 40 0f
RSP: 0018:ffffc90003707768 EFLAGS: 00010246
RAX: e9012b2d51ef7700 RBX: ffff88805ea28a90 RCX: 0000000000080000
RDX: ffffc9000ceb9000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffffc90003707007 R09: 1ffff920006e0e00
R10: dffffc0000000000 R11: fffff520006e0e01 R12: dffffc0000000000
R13: 1ffff1100f6c5015 R14: ffff88807b628000 R15: ffff88805ea28d80
FS:  00007f69d02516c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa46e34f000 CR3: 000000005bc2d000 CR4: 00000000003506f0