gfs2: fsid=syz:syz.0: first mount done, others may mount
 slab gfs2_quotad start ffff888053fb2000 pointer offset 120 size 272
list_add corruption. prev->next should be next (ffff888140eafc00), but was ffff888053fb2078. (prev=ffff888053fb2078).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:32!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 8619 Comm: syz.0.767 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__list_add_valid_or_report+0x12b/0x190 lib/list_debug.c:32
Code: 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 80 3c 02 00 75 5a 48 8b 16 48 89 f1 48 c7 c7 c0 b8 f2 8b 48 89 ee e8 76 d8 e8 fc 90 <0f> 0b 48 89 f2 48 89 e9 4c 89 e6 48 c7 c7 40 b9 f2 8b e8 5e d8 e8
RSP: 0018:ffffc9000b4f7700 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff888053fb2078 RCX: ffffc9000c259000
RDX: 0000000000000000 RSI: ffffffff819d0bc9 RDI: 0000000000000005
RBP: ffff888140eafc00 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: ffff88803435c830 R12: ffff888053fb2078
R13: ffff888140eafc08 R14: ffff888140eafc00 R15: ffff888140eafc18
FS:  00007f93b7f4c6c0(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001dc0 CR3: 000000003235b000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:96 [inline]
 __list_add include/linux/list.h:158 [inline]
 list_add_tail include/linux/list.h:191 [inline]
 list_lru_add+0xf6/0x2e0 mm/list_lru.c:171
 list_lru_add_obj+0x1ad/0x320 mm/list_lru.c:193
 qd_put+0x119/0x190 fs/gfs2/quota.c:342
 qdsb_put fs/gfs2/quota.c:500 [inline]
 gfs2_quota_unhold+0x1be/0x370 fs/gfs2/quota.c:653
 gfs2_dinode_dealloc+0x350/0x5f0 fs/gfs2/inode.c:518
 evict_unlinked_inode fs/gfs2/super.c:1317 [inline]
 gfs2_evict_inode+0xd66/0x1a30 fs/gfs2/super.c:1414
 evict+0x3c2/0xad0 fs/inode.c:837
 iput_final fs/inode.c:1954 [inline]
 iput.part.0+0x621/0x1190 fs/inode.c:2006
 iput+0x35/0x40 fs/inode.c:1969
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:467
 __dentry_kill+0x1d0/0x600 fs/dcache.c:670
 finish_dput+0x76/0x480 fs/dcache.c:879
 dput.part.0+0x451/0x570 fs/dcache.c:928
 dput+0x1f/0x30 fs/dcache.c:920
 end_renaming fs/namei.c:4061 [inline]
 do_renameat2+0x7c8/0x9b0 fs/namei.c:6058
 __do_sys_rename fs/namei.c:6099 [inline]
 __se_sys_rename fs/namei.c:6097 [inline]
 __x64_sys_rename+0x7d/0xa0 fs/namei.c:6097
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f93b718f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f93b7f4c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f93b73e5fa0 RCX: 00007f93b718f749
RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000200000000580
RBP: 00007f93b7213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f93b73e6038 R14: 00007f93b73e5fa0 R15: 00007ffccac61e88
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0x12b/0x190 lib/list_debug.c:32
Code: 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 80 3c 02 00 75 5a 48 8b 16 48 89 f1 48 c7 c7 c0 b8 f2 8b 48 89 ee e8 76 d8 e8 fc 90 <0f> 0b 48 89 f2 48 89 e9 4c 89 e6 48 c7 c7 40 b9 f2 8b e8 5e d8 e8
RSP: 0018:ffffc9000b4f7700 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff888053fb2078 RCX: ffffc9000c259000
RDX: 0000000000000000 RSI: ffffffff819d0bc9 RDI: 0000000000000005
RBP: ffff888140eafc00 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: ffff88803435c830 R12: ffff888053fb2078
R13: ffff888140eafc08 R14: ffff888140eafc00 R15: ffff888140eafc18
FS:  00007f93b7f4c6c0(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001dc0 CR3: 000000003235b000 CR4: 0000000000350ef0