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
loop0: detected capacity change from 32768 to 64
syz.0.0: attempt to access beyond end of device
loop0: rw=2049, sector=18942, nr_sectors = 2 limit=64
loop0: writeback error on inode 9442, offset 28672, sector 18942
syz.0.0: attempt to access beyond end of device
loop0: rw=12288, sector=18752, nr_sectors = 2 limit=64
gfs2: fsid=syz:syz.0: fatal: I/O error - block = 9376, function = gfs2_meta_read, file = fs/gfs2/meta_io.c, line = 306
gfs2: fsid=syz:syz.0: about to withdraw this file system
gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
gfs2: fsid=syz:syz.0: File system withdrawn
CPU: 0 UID: 0 PID: 5338 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
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 gfs2_withdraw+0xb30/0x1430 fs/gfs2/util.c:345
 gfs2_meta_read+0x946/0x980 fs/gfs2/meta_io.c:306
 gfs2_meta_buffer+0x10f/0x2e0 fs/gfs2/meta_io.c:498
 gfs2_meta_inode_buffer fs/gfs2/meta_io.h:70 [inline]
 gfs2_dirty_inode+0x41d/0x600 fs/gfs2/super.c:516
 __mark_inode_dirty+0x2ec/0xe10 fs/fs-writeback.c:2566
 mark_inode_dirty include/linux/fs.h:2613 [inline]
 gfs2_adjust_quota+0x647/0x800 fs/gfs2/quota.c:885
 do_sync+0x847/0xc60 fs/gfs2/quota.c:961
 gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357
 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:658
 sync_filesystem+0xeb/0x230 fs/sync.c:56
 gfs2_reconfigure+0xbb/0xb20 fs/gfs2/ops_fstype.c:1557
 reconfigure_super+0x227/0x890 fs/super.c:1076
 do_remount fs/namespace.c:3279 [inline]
 path_mount+0xd1a/0xfe0 fs/namespace.c:4029
 do_mount fs/namespace.c:4050 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4215
 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: 0033:0x7f21d4d8eec9
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:00007f21d5c73038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f21d4fe5fa0 RCX: 00007f21d4d8eec9
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000000
RBP: 00007f21d4e11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000c22 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f21d4fe6038 R14: 00007f21d4fe5fa0 R15: 00007ffc780709e8
 </TASK>
gfs2: fsid=syz:syz.0: GFS2:adding buf while withdrawn! 0x23ff
------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:331!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5338 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:qd_put+0x18a/0x190 fs/gfs2/quota.c:331
Code: e7 e8 5a 79 25 fe e9 ee fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 7c 83 48 89 ef e8 31 7a 25 fe e9 76 ff ff ff e8 47 4b be fd 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000fdefb40 EFLAGS: 00010287
RAX: ffffffff84002399 RBX: ffff888044171000 RCX: 0000000000100000
RDX: ffffc9000dd02000 RSI: 0000000000038fff RDI: 0000000000039000
RBP: 00000000ffffff80 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001fbdf50 R12: ffff888044171070
R13: ffff8880115b8800 R14: ffff888044171030 R15: 1ffff1100882e20e
FS:  00007f21d5c736c0(0000) GS:ffff88808d96d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c609309098 CR3: 00000000428a9000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 gfs2_quota_sync+0x3c4/0x460 fs/gfs2/quota.c:1361
 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:658
 sync_filesystem+0xeb/0x230 fs/sync.c:56
 gfs2_reconfigure+0xbb/0xb20 fs/gfs2/ops_fstype.c:1557
 reconfigure_super+0x227/0x890 fs/super.c:1076
 do_remount fs/namespace.c:3279 [inline]
 path_mount+0xd1a/0xfe0 fs/namespace.c:4029
 do_mount fs/namespace.c:4050 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4215
 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: 0033:0x7f21d4d8eec9
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:00007f21d5c73038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f21d4fe5fa0 RCX: 00007f21d4d8eec9
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000000
RBP: 00007f21d4e11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000c22 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f21d4fe6038 R14: 00007f21d4fe5fa0 R15: 00007ffc780709e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:qd_put+0x18a/0x190 fs/gfs2/quota.c:331
Code: e7 e8 5a 79 25 fe e9 ee fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 7c 83 48 89 ef e8 31 7a 25 fe e9 76 ff ff ff e8 47 4b be fd 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000fdefb40 EFLAGS: 00010287
RAX: ffffffff84002399 RBX: ffff888044171000 RCX: 0000000000100000
RDX: ffffc9000dd02000 RSI: 0000000000038fff RDI: 0000000000039000
RBP: 00000000ffffff80 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001fbdf50 R12: ffff888044171070
R13: ffff8880115b8800 R14: ffff888044171030 R15: 1ffff1100882e20e
FS:  00007f21d5c736c0(0000) GS:ffff88808d96d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c609309098 CR3: 00000000428a9000 CR4: 0000000000352ef0