------------[ cut here ]------------
WARNING: CPU: 3 PID: 19169 at fs/xfs/xfs_buf.c:535 xfs_buf_map_verify fs/xfs/xfs_buf.c:532 [inline]
WARNING: CPU: 3 PID: 19169 at fs/xfs/xfs_buf.c:535 xfs_buf_get_map+0x1da6/0x2fc0 fs/xfs/xfs_buf.c:688
Modules linked in:
CPU: 3 PID: 19169 Comm: syz-executor.0 Not tainted 6.4.0-rc5-syzkaller-00016-ga4d7d7011219 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:xfs_buf_map_verify fs/xfs/xfs_buf.c:535 [inline]
RIP: 0010:xfs_buf_get_map+0x1da6/0x2fc0 fs/xfs/xfs_buf.c:688
Code: f0 76 fe 48 8b b5 50 ff ff ff 49 89 d9 4d 89 f8 48 c7 c1 20 4a 8b 8a 48 c7 c2 e0 45 8b 8a 48 c7 c7 40 46 8b 8a e8 aa 4d 06 00 <0f> 0b 41 bd 8b ff ff ff e9 dc ee ff ff e8 78 f0 76 fe 4c 89 e7 e8
RSP: 0018:ffffc90005d4f560 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000008000 RCX: ffffc90007a03000
RDX: 0000000000040000 RSI: ffffffff8312c5e6 RDI: 0000000000000005
RBP: ffffc90005d4f6a8 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 6f6f6c2820534658 R12: 0000000000000001
R13: 0000000000000003 R14: dffffc0000000000 R15: 00007ffffffffff0
FS:  00007f8715e0b700(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e434000 CR3: 00000001109f0000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000000d
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 xfs_trans_get_buf_map+0x298/0x710 fs/xfs/xfs_trans_buf.c:156
 xfs_trans_get_buf fs/xfs/xfs_trans.h:189 [inline]
 xfs_dquot_disk_alloc+0x859/0xb80 fs/xfs/xfs_dquot.c:346
 xfs_qm_dqread+0x4dd/0x570 fs/xfs/xfs_dquot.c:665
 xfs_qm_dqget+0x141/0x660 fs/xfs/xfs_dquot.c:869
 xfs_qm_vop_dqalloc+0x5f2/0xe70 fs/xfs/xfs_qm.c:1724
 xfs_setattr_nonsize+0xab1/0xd30 fs/xfs/xfs_iops.c:702
 xfs_vn_setattr+0x2ce/0x5e0 fs/xfs/xfs_iops.c:1023
 notify_change+0xb2c/0x1180 fs/attr.c:483
 chown_common+0x57f/0x650 fs/open.c:774
 vfs_fchown fs/open.c:842 [inline]
 vfs_fchown fs/open.c:834 [inline]
 ksys_fchown+0x115/0x170 fs/open.c:853
 __do_sys_fchown fs/open.c:861 [inline]
 __se_sys_fchown fs/open.c:859 [inline]
 __x64_sys_fchown+0x73/0xb0 fs/open.c:859
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f871508c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8715e0b168 EFLAGS: 00000246 ORIG_RAX: 000000000000005d
RAX: ffffffffffffffda RBX: 00007f87151abf80 RCX: 00007f871508c169
RDX: 000000000000ee00 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f87150e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcbf60d0cf R14: 00007f8715e0b300 R15: 0000000000022000
 </TASK>