loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: can't create quotad thread: -4
list_del corruption, ffff888036c62c10->prev is LIST_POISON2 (dead000000000122)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5105 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59
Code: e8 bf 4d fe 06 90 0f 0b 48 c7 c7 20 b0 60 8c 4c 89 fe e8 ad 4d fe 06 90 0f 0b 48 c7 c7 80 b0 60 8c 4c 89 fe e8 9b 4d fe 06 90 <0f> 0b 48 c7 c7 e0 b0 60 8c 4c 89 fe 48 89 d9 e8 86 4d fe 06 90 0f
RSP: 0018:ffffc90002eff928 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: b83dd49033069900
RDX: ffffc9000ba59000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff888036c62cf8 R08: ffffffff8174290c R09: 1ffff920005dfec0
R10: dffffc0000000000 R11: fffff520005dfec1 R12: dffffc0000000000
R13: ffff888036c62c00 R14: ffff888036c62810 R15: ffff888036c62c10
FS:  00007f5539f6b6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d55e7bd138 CR3: 0000000033108000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_del_rcu include/linux/rculist.h:157 [inline]
 destroy_workqueue+0x7b3/0xc40 kernel/workqueue.c:5831
 gfs2_fill_super+0x128a/0x2500 fs/gfs2/ops_fstype.c:1310
 get_tree_bdev+0x3f7/0x570 fs/super.c:1635
 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1329
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f553917f69a
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:00007f5539f6ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5539f6aef0 RCX: 00007f553917f69a
RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007f5539f6aeb0
RBP: 0000000020037f40 R08: 00007f5539f6aef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020037f80
R13: 00007f5539f6aeb0 R14: 0000000000037f14 R15: 0000000020037fc0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59
Code: e8 bf 4d fe 06 90 0f 0b 48 c7 c7 20 b0 60 8c 4c 89 fe e8 ad 4d fe 06 90 0f 0b 48 c7 c7 80 b0 60 8c 4c 89 fe e8 9b 4d fe 06 90 <0f> 0b 48 c7 c7 e0 b0 60 8c 4c 89 fe 48 89 d9 e8 86 4d fe 06 90 0f
RSP: 0018:ffffc90002eff928 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: b83dd49033069900
RDX: ffffc9000ba59000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff888036c62cf8 R08: ffffffff8174290c R09: 1ffff920005dfec0
R10: dffffc0000000000 R11: fffff520005dfec1 R12: dffffc0000000000
R13: ffff888036c62c00 R14: ffff888036c62810 R15: ffff888036c62c10
FS:  00007f5539f6b6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d55e7bd138 CR3: 0000000033108000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400