gfs2: fsid=statfs_quantum.s: first mount done, others may mount
gfs2: fsid=statfs_quantum.s: G:  s:UN n:2/13 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: 6604 Comm: syz.2.120 Not tainted syzkaller #0 PREEMPT(full) 
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 26 12 ff ff eb 26 e8 cf e2 c0 fd e9 5a fe ff ff e8 c5 e2 c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 96 e1 ff ff 90 <0f> 0b e8 ae e2 c0 fd 31 f6 65 ff 0d 75 da 9e 0e 40 0f 94 c5 40 0f
RSP: 0000:ffffc9000477f8e8 EFLAGS: 00010246
RAX: 87749c1ede044b00 RBX: ffff88805b4dcfd8 RCX: 0000000000080000
RDX: ffffc9000ce01000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000477fa50 R08: ffffc9000477f1a7 R09: 1ffff920008efe34
R10: dffffc0000000000 R11: fffff520008efe35 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff88807fce4000 R15: ffff88805b4dd2c8
FS:  00007fb38369d6c0(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555564a1a808 CR3: 000000004512c000 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
 gfs2_put_super+0x7d9/0x860 fs/gfs2/super.c:636
 generic_shutdown_super+0x135/0x2c0 fs/super.c:643
 kill_block_super+0x44/0x90 fs/super.c:1722
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1318
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2d0/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb382790eea
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:00007fb38369ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007fb38369cef0 RCX: 00007fb382790eea
RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007fb38369ceb0
RBP: 00002000000008c0 R08: 00007fb38369cef0 R09: 0000000000008c1b
R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
R13: 00007fb38369ceb0 R14: 000000000001276f R15: 0000200000000240
 </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 26 12 ff ff eb 26 e8 cf e2 c0 fd e9 5a fe ff ff e8 c5 e2 c0 fd 31 ff 48 89 de ba 01 00 00 00 e8 96 e1 ff ff 90 <0f> 0b e8 ae e2 c0 fd 31 f6 65 ff 0d 75 da 9e 0e 40 0f 94 c5 40 0f
RSP: 0000:ffffc9000477f8e8 EFLAGS: 00010246
RAX: 87749c1ede044b00 RBX: ffff88805b4dcfd8 RCX: 0000000000080000
RDX: ffffc9000ce01000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000477fa50 R08: ffffc9000477f1a7 R09: 1ffff920008efe34
R10: dffffc0000000000 R11: fffff520008efe35 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff88807fce4000 R15: ffff88805b4dd2c8
FS:  00007fb38369d6c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3698e4 CR3: 000000004512c000 CR4: 00000000003526f0