------------[ cut here ]------------
kernel BUG at fs/gfs2/super.c:76!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 12518 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:gfs2_jindex_free+0x40d/0x5b0 fs/gfs2/super.c:76
Code: 7f aa fd 48 8b 5c 24 38 48 8d 7b 78 48 89 f8 48 c1 e8 03 80 3c 28 00 75 5f 48 83 7b 78 00 0f 84 d0 fe ff ff e8 a4 7f aa fd 90 <0f> 0b e8 9c 7f aa fd 48 8b 4c 24 08 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90003c6fb20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888077896500 RCX: 0000000000000000
RDX: ffff88803cfb9e00 RSI: ffffffff84110ddc RDI: ffff888077896578
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed1005a0d9a9
R10: ffff88802d06cd4f R11: 0000000000000000 R12: ffffc90003c6fb58
R13: ffff888077896500 R14: dead000000000100 R15: ffff88802d06c828
FS:  0000000000000000(0000) GS:ffff8881247b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2d5138 CR3: 0000000049700000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_put_super+0x4a9/0x780 fs/gfs2/super.c:636
 generic_shutdown_super+0x156/0x390 fs/super.c:643
 kill_block_super+0x3b/0x90 fs/super.c:1766
 gfs2_kill_sb+0x371/0x420 fs/gfs2/ops_fstype.c:1798
 deactivate_locked_super+0xc1/0x1a0 fs/super.c:474
 deactivate_super fs/super.c:507 [inline]
 deactivate_super+0xde/0x100 fs/super.c:503
 cleanup_mnt+0x225/0x450 fs/namespace.c:1375
 task_work_run+0x150/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x86f/0x2bf0 kernel/exit.c:961
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102
 __do_sys_exit_group kernel/exit.c:1113 [inline]
 __se_sys_exit_group kernel/exit.c:1111 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1111
 x64_sys_call+0x14fa/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe2bcd8ebe9
Code: Unable to access opcode bytes at 0x7fe2bcd8ebbf.
RSP: 002b:00007ffe983a83c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe2bce11c2a RCX: 00007fe2bcd8ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000005 R08: 00007ffe983a6167 R09: 00007ffe983a9620
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe983a9620
R13: 00007fe2bce11c05 R14: 000000000008c00d R15: 00007ffe983a9660
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_jindex_free+0x40d/0x5b0 fs/gfs2/super.c:76
Code: 7f aa fd 48 8b 5c 24 38 48 8d 7b 78 48 89 f8 48 c1 e8 03 80 3c 28 00 75 5f 48 83 7b 78 00 0f 84 d0 fe ff ff e8 a4 7f aa fd 90 <0f> 0b e8 9c 7f aa fd 48 8b 4c 24 08 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90003c6fb20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888077896500 RCX: 0000000000000000
RDX: ffff88803cfb9e00 RSI: ffffffff84110ddc RDI: ffff888077896578
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed1005a0d9a9
R10: ffff88802d06cd4f R11: 0000000000000000 R12: ffffc90003c6fb58
R13: ffff888077896500 R14: dead000000000100 R15: ffff88802d06c828
FS:  0000000000000000(0000) GS:ffff8881247b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f248e340010 CR3: 000000000e380000 CR4: 0000000000350ef0