RBP: 00007fc00d032c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc00d216038 R14: 00007fc00d215fa0 R15: 00007fffd8a85498
 </TASK>
gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:1520!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 26983 Comm: syz.6.5572 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:gfs2_quota_cleanup+0x651/0x770 fs/gfs2/quota.c:1520
Code: 00 0f 85 33 01 00 00 48 8b ab a8 00 00 00 31 ff 83 e5 02 48 89 ee e8 8e 07 a0 fd 48 85 ed 0f 84 90 fa ff ff e8 a0 0c a0 fd 90 <0f> 0b 4c 89 e7 e8 05 a9 0b fe e9 68 fd ff ff 4c 89 ff e8 18 aa 0b
RSP: 0018:ffffc90007147a60 EFLAGS: 00010246
RAX: 0000000000080000 RBX: ffff888022af0000 RCX: ffffc900054b1000
RDX: 0000000000080000 RSI: ffffffff8468ca00 RDI: ffff8880568d9e80
RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff888022af00a8
R13: 0000000000000000 R14: ffffc90007147aa8 R15: ffff888065426050
FS:  00007fc00de966c0(0000) GS:ffff88812433c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fe07ff8 CR3: 000000006bbd8000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_make_fs_ro+0x11d/0x370 fs/gfs2/super.c:568
 gfs2_reconfigure+0x4f8/0xf00 fs/gfs2/ops_fstype.c:1594
 reconfigure_super+0x52d/0xb30 fs/super.c:1080
 do_remount fs/namespace.c:3391 [inline]
 path_mount+0x19f7/0x23d0 fs/namespace.c:4151
 do_mount fs/namespace.c:4172 [inline]
 __do_sys_mount fs/namespace.c:4361 [inline]
 __se_sys_mount fs/namespace.c:4338 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:4338
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc00cf9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc00de96028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc00d215fa0 RCX: 00007fc00cf9c799
RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 00007fc00d032c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc00d216038 R14: 00007fc00d215fa0 R15: 00007fffd8a85498
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_quota_cleanup+0x651/0x770 fs/gfs2/quota.c:1520
Code: 00 0f 85 33 01 00 00 48 8b ab a8 00 00 00 31 ff 83 e5 02 48 89 ee e8 8e 07 a0 fd 48 85 ed 0f 84 90 fa ff ff e8 a0 0c a0 fd 90 <0f> 0b 4c 89 e7 e8 05 a9 0b fe e9 68 fd ff ff 4c 89 ff e8 18 aa 0b
RSP: 0018:ffffc90007147a60 EFLAGS: 00010246
RAX: 0000000000080000 RBX: ffff888022af0000 RCX: ffffc900054b1000
RDX: 0000000000080000 RSI: ffffffff8468ca00 RDI: ffff8880568d9e80
RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff888022af00a8
R13: 0000000000000000 R14: ffffc90007147aa8 R15: ffff888065426050
FS:  00007fc00de966c0(0000) GS:ffff88812433c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fe07ff8 CR3: 000000006bbd8000 CR4: 0000000000350ef0