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 3 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 1 quota changes
 slab gfs2_inode start ffff8880449f9410 pointer offset 304 size 1584
list_del corruption. prev->next should be ffffc9000d47fae0, but was ffff8880449f9540. (prev=ffff8880449f9540)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5357 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
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+0x15a/0x190 lib/list_debug.c:62
Code: e8 8b e9 31 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 6c dd 52 fd 49 8b 17 48 c7 c7 20 4e e3 8b 48 89 de 4c 89 f9 e8 77 d5 55 fc 90 <0f> 0b 4c 89 f7 e8 5c e9 31 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 3d
RSP: 0018:ffffc9000d47f970 EFLAGS: 00010046
RAX: 000000000000006d RBX: ffffc9000d47fae0 RCX: 8bb14cddea6c6500
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc9000d47fbb0 R08: ffff88801fc24253 R09: 1ffff11003f8484a
R10: dffffc0000000000 R11: ffffed1003f8484b R12: 1ffff1100893f2a8
R13: dffffc0000000000 R14: ffff8880449f9540 R15: ffff8880449f9540
FS:  00007f0760d416c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef619cf80 CR3: 00000000437ba000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_del include/linux/list.h:229 [inline]
 rwsem_try_write_lock kernel/locking/rwsem.c:662 [inline]
 rwsem_down_write_slowpath+0x91e/0xfe0 kernel/locking/rwsem.c:1159
 __down_write_common kernel/locking/rwsem.c:1317 [inline]
 __down_write_killable kernel/locking/rwsem.c:1331 [inline]
 down_write_killable+0x1de/0x230 kernel/locking/rwsem.c:1603
 inode_lock_killable include/linux/fs.h:874 [inline]
 chown_common+0x313/0x5c0 fs/open.c:779
 do_fchownat+0x161/0x270 fs/open.c:822
 __do_sys_fchownat fs/open.c:837 [inline]
 __se_sys_fchownat fs/open.c:834 [inline]
 __x64_sys_fchownat+0xb5/0xd0 fs/open.c:834
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f075ff8ebe9
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:00007f0760d41038 EFLAGS: 00000246 ORIG_RAX: 0000000000000104
RAX: ffffffffffffffda RBX: 00007f07601c6180 RCX: 00007f075ff8ebe9
RDX: 00000000000043c0 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f0760011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f07601c6218 R14: 00007f07601c6180 R15: 00007ffef619d768
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 8b e9 31 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 6c dd 52 fd 49 8b 17 48 c7 c7 20 4e e3 8b 48 89 de 4c 89 f9 e8 77 d5 55 fc 90 <0f> 0b 4c 89 f7 e8 5c e9 31 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 3d
RSP: 0018:ffffc9000d47f970 EFLAGS: 00010046
RAX: 000000000000006d RBX: ffffc9000d47fae0 RCX: 8bb14cddea6c6500
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: ffffc9000d47fbb0 R08: ffff88801fc24253 R09: 1ffff11003f8484a
R10: dffffc0000000000 R11: ffffed1003f8484b R12: 1ffff1100893f2a8
R13: dffffc0000000000 R14: ffff8880449f9540 R15: ffff8880449f9540
FS:  00007f0760d416c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef619cf80 CR3: 00000000437ba000 CR4: 0000000000352ef0