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kernel BUG at fs/gfs2/super.c:76!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 13402 Comm: syz-executor Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:gfs2_jindex_free+0x43e/0x440 fs/gfs2/super.c:76
Code: 93 23 18 fd cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c ea fd ff ff e8 c2 96 2b fe e9 e0 fd ff ff e8 58 2a 77 07 e8 d3 15 c8 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00
RSP: 0018:ffffc9000452fbe0 EFLAGS: 00010293
RAX: ffffffff83f81d9d RBX: dead000000000122 RCX: ffff888020298000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000452fca0 R08: ffff888067fe8d4f R09: 1ffff1100cffd1a9
R10: dffffc0000000000 R11: ffffed100cffd1aa R12: ffff888067fe8818
R13: dffffc0000000000 R14: ffff888069ec0700 R15: ffff888069ec0778
FS:  000055556469a500(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc43739c000 CR3: 0000000059cd6000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_put_super+0x8af/0x950 fs/gfs2/super.c:638
 generic_shutdown_super+0x135/0x2c0 fs/super.c:643
 kill_block_super+0x44/0x90 fs/super.c:1755
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fef0a98fc57
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffddc8a42b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fef0aa10925 RCX: 00007fef0a98fc57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffddc8a4370
RBP: 00007ffddc8a4370 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffddc8a5400
R13: 00007fef0aa10925 R14: 00000000001433f7 R15: 00007ffddc8a5440
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_jindex_free+0x43e/0x440 fs/gfs2/super.c:76
Code: 93 23 18 fd cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c ea fd ff ff e8 c2 96 2b fe e9 e0 fd ff ff e8 58 2a 77 07 e8 d3 15 c8 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00
RSP: 0018:ffffc9000452fbe0 EFLAGS: 00010293
RAX: ffffffff83f81d9d RBX: dead000000000122 RCX: ffff888020298000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000452fca0 R08: ffff888067fe8d4f R09: 1ffff1100cffd1a9
R10: dffffc0000000000 R11: ffffed100cffd1aa R12: ffff888067fe8818
R13: dffffc0000000000 R14: ffff888069ec0700 R15: ffff888069ec0778
FS:  000055556469a500(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557d18c5c8 CR3: 0000000059cd6000 CR4: 0000000000350ef0